[gtkmm] Add an extra .defs entry needed for documentation.

[Murray Cumming <murrayc src gnome org>]

commit 1520aaedb20bb885ac8d40241574e3c22e523db7
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Jun 15 12:36:46 2012 +0200

    Add an extra .defs entry needed for documentation.
    
    * gdk/src/gdk_extra_objects.defs: Add GdkOffscreenWindow.

 ChangeLog                      |    6 ++++++
 gdk/src/gdk_extra_objects.defs |    6 ++++++
 2 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 16fe95a..7560d8d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2012-06-15  Murray Cumming  <murrayc murrayc com>
 
+	Add an extra .defs entry needed for documentation.
+
+	* gdk/src/gdk_extra_objects.defs: Add GdkOffscreenWindow.
+
+2012-06-15  Murray Cumming  <murrayc murrayc com>
+
 	WidgetPath: Add some methods.
 
 	* gtk/src/widgetpath.hg:
diff --git a/gdk/src/gdk_extra_objects.defs b/gdk/src/gdk_extra_objects.defs
index bf597a9..5cea70d 100644
--- a/gdk/src/gdk_extra_objects.defs
+++ b/gdk/src/gdk_extra_objects.defs
@@ -42,6 +42,12 @@
   (gtype-id "GDK_TYPE_EVENT")
 )
 
+(define-object OffscreenWindow
+  (in-module "Gdk")
+  (c-name "GdkOffscreenWindow")
+  (gtype-id "GDK_TYPE_OFFSCREEN_WINDOW")
+)
+
 (define-object Pixbuf
   (in-module "Gdk")
   (c-name "GdkPixbuf")