[glibmm] Gio::MenuModel: Add signal_items_changed()

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 693264ac279866054673a015caa277e3db024b1b
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Fri Jan 31 15:14:14 2014 +0100

    Gio::MenuModel: Add signal_items_changed()
    
    * gio/src/menumodel.hg:  Wrap the "items-changed" signal.

 gio/src/menumodel.hg |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gio/src/menumodel.hg b/gio/src/menumodel.hg
index 729b9c2..696e8f5 100644
--- a/gio/src/menumodel.hg
+++ b/gio/src/menumodel.hg
@@ -164,8 +164,8 @@ dnl See the .ccg implementation for how this conversion works.
 
   _WRAP_METHOD(void items_changed(int position, int removed, int added), g_menu_model_items_changed)
 
-  //TODO: The "items-changed" signal cannot be wrapped because it is not
-  //included in the *Class declaration of GMenuModel.
+  // The items-changed signal can't have a default handler in glibmm, because it does not have one in glib.
+  _WRAP_SIGNAL(void items_changed(int position, int removed, int added), "items-changed", no_default_handler)
 };
 
 } // namespace Gio