[glom] cppcheck: Add missing explicit keyword.

[Murray Cumming <murrayc src gnome org>]

commit 42540001d702b366f73f17821f2e55d8dcd75da8
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Oct 30 10:08:01 2015 +0100

    cppcheck: Add missing explicit keyword.

 glom/bakery/appwindow.h                         |    2 +-
 glom/bakery/appwindow_withdoc.h                 |    2 +-
 glom/bakery/dialog_offersave.h                  |    2 +-
 glom/box_withbuttons.h                          |    2 +-
 glom/libglom/data_structure/layout/layoutitem.h |    2 +-
 glom/libglom/document/document.cc               |    3 ++-
 glom/mode_data/box_data_details.h               |    2 +-
 glom/mode_data/datawidget/combo.h               |    2 +-
 glom/mode_data/db_adddel/db_adddel.h            |    2 +-
 glom/mode_data/flowtablewithfields.h            |    2 +-
 glom/utility_widgets/adddel/adddel.h            |    2 +-
 11 files changed, 12 insertions(+), 11 deletions(-)
---
diff --git a/glom/bakery/appwindow.h b/glom/bakery/appwindow.h
index 071217f..6bb51c3 100644
--- a/glom/bakery/appwindow.h
+++ b/glom/bakery/appwindow.h
@@ -51,7 +51,7 @@ public:
   //a virtual base class so they would otherwise need to do that.
 
   ///Don't forget to call init() too.
-  AppWindow(const Glib::ustring& appname = Glib::ustring()); 
+  explicit AppWindow(const Glib::ustring& appname = Glib::ustring());
 
   virtual ~AppWindow();
 
diff --git a/glom/bakery/appwindow_withdoc.h b/glom/bakery/appwindow_withdoc.h
index 15ee15f..5678b9f 100644
--- a/glom/bakery/appwindow_withdoc.h
+++ b/glom/bakery/appwindow_withdoc.h
@@ -56,7 +56,7 @@ class AppWindow_WithDoc : public AppWindow
 {
 public: 
   ///Don't forget to call init() too.
-  AppWindow_WithDoc(const Glib::ustring& appname = ""); //TODO: appname when using get_derived_widget()
+  explicit AppWindow_WithDoc(const Glib::ustring& appname = ""); //TODO: appname when using 
get_derived_widget()
 
   virtual ~AppWindow_WithDoc();
 
diff --git a/glom/bakery/dialog_offersave.h b/glom/bakery/dialog_offersave.h
index a438a55..c71f736 100644
--- a/glom/bakery/dialog_offersave.h
+++ b/glom/bakery/dialog_offersave.h
@@ -30,7 +30,7 @@ namespace GlomBakery
 class Dialog_OfferSave : public Gtk::MessageDialog
 {
 public:
-  Dialog_OfferSave(const Glib::ustring& file_uri);
+  explicit Dialog_OfferSave(const Glib::ustring& file_uri);
   virtual ~Dialog_OfferSave();
 
   ///Return values:
diff --git a/glom/box_withbuttons.h b/glom/box_withbuttons.h
index 5e0f700..d1fe6e6 100644
--- a/glom/box_withbuttons.h
+++ b/glom/box_withbuttons.h
@@ -46,7 +46,7 @@ public:
   Box_WithButtons(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>& builder);
 
   ///For use with libglademm's get_widget_derived():
-  Box_WithButtons(BaseObjectType* cobject);
+  explicit Box_WithButtons(BaseObjectType* cobject);
 
   virtual ~Box_WithButtons();
 
diff --git a/glom/libglom/data_structure/layout/layoutitem.h b/glom/libglom/data_structure/layout/layoutitem.h
index 76a16f5..fcae596 100644
--- a/glom/libglom/data_structure/layout/layoutitem.h
+++ b/glom/libglom/data_structure/layout/layoutitem.h
@@ -32,7 +32,7 @@ class LayoutItem : public TranslatableItem
 public:
 
   LayoutItem();
-  LayoutItem(const LayoutItem& src);
+  explicit LayoutItem(const LayoutItem& src);
   LayoutItem(LayoutItem&& src) = delete;
   LayoutItem& operator=(const LayoutItem& src);
   LayoutItem& operator=(LayoutItem&& src) = delete;
diff --git a/glom/libglom/document/document.cc b/glom/libglom/document/document.cc
index 97a2c8d..8a2d3fd 100644
--- a/glom/libglom/document/document.cc
+++ b/glom/libglom/document/document.cc
@@ -4737,6 +4737,7 @@ static void handle_archive_error(archive* a)
   std::cerr << "  " << archive_error_string(a) << std::endl;
 }
 
+// TODO: Use shared_ptr or unique_ptr?
 // We use this to make sure that the C object is always released.
 template <typename T_Object>
 class ScopedArchivePtr
@@ -4792,7 +4793,7 @@ private:
   T_Object* ptr_;
   T_ReleaseFunc release_func_;
 
-  ScopedArchiveEntryPtr(const ScopedArchivePtr<T_Object>&);
+  explicit ScopedArchiveEntryPtr(const ScopedArchivePtr<T_Object>&);
   ScopedArchiveEntryPtr<T_Object>& operator=(const ScopedArchivePtr<T_Object>&);
 
 };
diff --git a/glom/mode_data/box_data_details.h b/glom/mode_data/box_data_details.h
index 8072a23..af37848 100644
--- a/glom/mode_data/box_data_details.h
+++ b/glom/mode_data/box_data_details.h
@@ -37,7 +37,7 @@ namespace Glom
 class Box_Data_Details : public Box_Data
 {
 public:
-  Box_Data_Details(bool bWithNavButtons = true);
+  explicit Box_Data_Details(bool bWithNavButtons = true);
   virtual ~Box_Data_Details();
 
   bool init_db_details(const FoundSet& found_set, const Glib::ustring& layout_platform, const 
Gnome::Gda::Value& primary_key_value);
diff --git a/glom/mode_data/datawidget/combo.h b/glom/mode_data/datawidget/combo.h
index ce3fc75..487e187 100644
--- a/glom/mode_data/datawidget/combo.h
+++ b/glom/mode_data/datawidget/combo.h
@@ -45,7 +45,7 @@ class ComboGlom
 public:
 
   ///You must call set_layout_item() to specify the field type and formatting of the main column.
-  ComboGlom(bool has_entry = false);
+  explicit ComboGlom(bool has_entry = false);
 
   virtual ~ComboGlom();
 
diff --git a/glom/mode_data/db_adddel/db_adddel.h b/glom/mode_data/db_adddel/db_adddel.h
index 5f248a8..fcc5a29 100644
--- a/glom/mode_data/db_adddel/db_adddel.h
+++ b/glom/mode_data/db_adddel/db_adddel.h
@@ -474,7 +474,7 @@ private:
   class InnerIgnore
   {
   public:
-    InnerIgnore(DbAddDel* pOuter);
+    explicit InnerIgnore(DbAddDel* pOuter);
     ~InnerIgnore();
 
   private:
diff --git a/glom/mode_data/flowtablewithfields.h b/glom/mode_data/flowtablewithfields.h
index dde3c7c..9e4fd08 100644
--- a/glom/mode_data/flowtablewithfields.h
+++ b/glom/mode_data/flowtablewithfields.h
@@ -61,7 +61,7 @@ class FlowTableWithFields
     public View_Composite_Glom
 {
 public:
-  FlowTableWithFields(const Glib::ustring& table_name = Glib::ustring());
+  explicit FlowTableWithFields(const Glib::ustring& table_name = Glib::ustring());
   virtual ~FlowTableWithFields();
 
   ///The table name is needed to discover details of relationships.
diff --git a/glom/utility_widgets/adddel/adddel.h b/glom/utility_widgets/adddel/adddel.h
index e749d85..87f037b 100644
--- a/glom/utility_widgets/adddel/adddel.h
+++ b/glom/utility_widgets/adddel/adddel.h
@@ -341,7 +341,7 @@ private:
   class InnerIgnore
   {
   public:
-    InnerIgnore(AddDel* pOuter);
+    explicit InnerIgnore(AddDel* pOuter);
     ~InnerIgnore();
 
   protected: