[gtkmm] Gtk::Dialog: Fix the deprecation of get_action_area()

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 97a4c95486de7795fefd5bb9623c201db4a33a1c
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Sun Mar 23 18:39:01 2014 +0100

    Gtk::Dialog: Fix the deprecation of get_action_area()
    
    * gtk/src/dialog.hg: Add 'deprecated' also on the const version of
    get_action_area().

 gtk/src/dialog.hg |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/src/dialog.hg b/gtk/src/dialog.hg
index ee3ff80..da8fdd3 100644
--- a/gtk/src/dialog.hg
+++ b/gtk/src/dialog.hg
@@ -122,7 +122,7 @@ _DEPRECATE_IFDEF_END
   // This previously returned an HButtonBox*, which broke on Maemo Fremantle.
   // Changed post-2.18.2
   _WRAP_METHOD(ButtonBox* get_action_area(), gtk_dialog_get_action_area, deprecated "Direct access to the 
action area is discouraged. Use add_button(), etc.")
-  _WRAP_METHOD(const ButtonBox* get_action_area() const, gtk_dialog_get_action_area, constversion, "Direct 
access to the action area is discouraged. Use add_button(), etc.")
+  _WRAP_METHOD(const ButtonBox* get_action_area() const, gtk_dialog_get_action_area, constversion, 
deprecated "Direct access to the action area is discouraged. Use add_button(), etc.")
 
   _WRAP_METHOD(Box* get_vbox(), gtk_dialog_get_content_area, deprecated "Use get_content_area() instead.")
   _WRAP_METHOD(const Box* get_vbox() const, gtk_dialog_get_content_area, constversion, deprecated "Use 
get_content_area() instead.")