[gtkmm-documentation] PlacesSidebar example: Fix compiler warnings

[Murray Cumming <murrayc src gnome org>]

commit af32f7115d68ed76aebdaea402ceae48cf725570
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Sep 23 14:07:54 2013 +0200

    PlacesSidebar example: Fix compiler warnings

 examples/book/placessidebar/examplewindow.cc |    7 ++++---
 examples/book/placessidebar/main.cc          |    4 ++--
 2 files changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/examples/book/placessidebar/examplewindow.cc b/examples/book/placessidebar/examplewindow.cc
index ef765fa..a21a5df 100644
--- a/examples/book/placessidebar/examplewindow.cc
+++ b/examples/book/placessidebar/examplewindow.cc
@@ -80,7 +80,7 @@ void ExampleWindow::on_show_connect_to_server_toggled()
   m_places_sidebar.set_show_connect_to_server(show_connect_to_server);
 }
 
-void ExampleWindow::on_open_location(const Glib::RefPtr<Gio::File>& location, Gtk::PlacesOpenFlags 
open_flags)
+void ExampleWindow::on_open_location(const Glib::RefPtr<Gio::File>& location, Gtk::PlacesOpenFlags /* 
open_flags */)
 {
   Gtk::MessageDialog dialog(*this, "<b>open-location</b> event triggered", true);
   Gtk::Grid location_information_grid;
@@ -110,7 +110,7 @@ void ExampleWindow::on_open_location(const Glib::RefPtr<Gio::File>& location, Gt
   dialog.run();
 }
 
-void ExampleWindow::on_populate_popup(Gtk::Menu* menu, const Glib::RefPtr<Gio::File>& selected_item, const 
Glib::RefPtr<Gio::Volume>& selected_volume)
+void ExampleWindow::on_populate_popup(Gtk::Menu* menu, const Glib::RefPtr<Gio::File>& /* selected_item */, 
const Glib::RefPtr<Gio::Volume>& /* selected_volume */)
 {
   Gtk::MenuItem* properties_menu_item = new Gtk::MenuItem("Properties...");
 
@@ -128,7 +128,8 @@ void ExampleWindow::on_properties_activate()
 }
 
 
-int ExampleWindow::on_drag_action_requested(const Glib::RefPtr<Gdk::DragContext>& context, const 
Glib::RefPtr<Gio::File>& dest_file, const std::vector< Glib::RefPtr<Gio::File> >& source_file_list)
+int ExampleWindow::on_drag_action_requested(const Glib::RefPtr<Gdk::DragContext>& /* context */, const 
Glib::RefPtr<Gio::File>& /* dest_file */, const std::vector< Glib::RefPtr<Gio::File> >& /* source_file_list 
*/)
 {
+  return false;
 }
 
diff --git a/examples/book/placessidebar/main.cc b/examples/book/placessidebar/main.cc
index 2153055..508fc5b 100644
--- a/examples/book/placessidebar/main.cc
+++ b/examples/book/placessidebar/main.cc
@@ -14,14 +14,14 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
-#include "placessidebarwindow.h"
+#include "examplewindow.h"
 #include <gtkmm/application.h>
 
 int main(int argc, char *argv[])
 {
   Glib::RefPtr<Gtk::Application> app = Gtk::Application::create(argc, argv, 
"org.gtkmm.example.placessidebar");
 
-  PlacesSidebarWindow window;
+  ExampleWindow window;
 
   // Shows the window and returns when it is closed.
   return app->run(window);