[gtk+] Fix a crash during DND

[Matthias Clasen <matthiasc src gnome org>]

commit 46903a910094a83aa68c4b1d8ac1713610745c8b
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jan 20 21:36:50 2011 -0500

    Fix a crash during DND
    
    https://bugzilla.gnome.org/show_bug.cgi?id=640105

 gdk/gdkoffscreenwindow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkoffscreenwindow.c b/gdk/gdkoffscreenwindow.c
index b3c53af..5257bcc 100644
--- a/gdk/gdkoffscreenwindow.c
+++ b/gdk/gdkoffscreenwindow.c
@@ -784,7 +784,7 @@ gdk_offscreen_window_class_init (GdkOffscreenWindowClass *klass)
   impl_class->set_opacity = NULL;
   impl_class->set_composited = NULL;
   impl_class->destroy_notify = NULL;
-  impl_class->register_dnd = NULL;
+  impl_class->register_dnd = gdk_offscreen_window_do_nothing;
   impl_class->drag_begin = NULL;
   impl_class->process_updates_recurse = gdk_offscreen_window_process_updates_recurse;
   impl_class->sync_rendering = NULL;