[glom/gtkmm4v4] gtkmm4: Adapt to TreeModelFlags as TreeModel::Flags.

[Murray Cumming <murrayc src gnome org>]

commit 73f167d76248b7a3c505642f71dbdb1b71ed700c
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Apr 28 09:18:15 2017 +0200

    gtkmm4: Adapt to TreeModelFlags as TreeModel::Flags.

 glom/mode_data/datawidget/treemodel_db.cc |    4 ++--
 glom/mode_data/datawidget/treemodel_db.h  |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/glom/mode_data/datawidget/treemodel_db.cc b/glom/mode_data/datawidget/treemodel_db.cc
index 29b447b..df3e47a 100644
--- a/glom/mode_data/datawidget/treemodel_db.cc
+++ b/glom/mode_data/datawidget/treemodel_db.cc
@@ -402,9 +402,9 @@ bool DbTreeModel::refresh_from_database(const FoundSet& found_set)
   }
 }
 
-Gtk::TreeModelFlags DbTreeModel::get_flags_vfunc() const
+Gtk::TreeModel::Flags DbTreeModel::get_flags_vfunc() const
 {
-   return (Gtk::TreeModelFlags)(Gtk::TreeModelFlags::LIST_ONLY | Gtk::TreeModelFlags::ITERS_PERSIST);
+   return (Gtk::TreeModel::Flags)(Gtk::TreeModel::Flags::LIST_ONLY | Gtk::TreeModel::Flags::ITERS_PERSIST);
 }
 
 int DbTreeModel::get_n_columns_vfunc() const
diff --git a/glom/mode_data/datawidget/treemodel_db.h b/glom/mode_data/datawidget/treemodel_db.h
index e4c443f..47c4bf0 100644
--- a/glom/mode_data/datawidget/treemodel_db.h
+++ b/glom/mode_data/datawidget/treemodel_db.h
@@ -161,7 +161,7 @@ private:
 
 protected:
    // Overrides:
-   Gtk::TreeModelFlags get_flags_vfunc() const override;
+   Gtk::TreeModel::Flags get_flags_vfunc() const override;
    int get_n_columns_vfunc() const override;
    GType get_column_type_vfunc(int index) const override;
    void get_value_vfunc(const TreeModel::const_iterator& iter, int column, Glib::ValueBase& value) const 
override;