Also seal GtkWindowGroup in gtkwindow.h

svn path=/trunk/; revision=20543

diff --git a/gtk/gtkwindow.h b/gtk/gtkwindow.h
index f7a6959a45924c7080125cf14241620a0c8dc9e8..b99e40fa8b187970120b4ab8ce93be065ff2a7a8 100644 (file)
--- a/gtk/gtkwindow.h
+++ b/gtk/gtkwindow.h
@@ -157,7 +157,7 @@ struct _GtkWindowGroup
 {
   GObject parent_instance;
 
-  GSList *grabs;
+  GSList *GSEAL (grabs);
 };
 
 struct _GtkWindowGroupClass