[gtk+] gdkwindow-wayland: Add a forgotten ref

[Jasper St. Pierre <jstpierre src gnome org>]

commit b35820fa3ceae8da1c05888f6a0bba9f392c904c
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Jun 19 14:55:04 2014 -0400

    gdkwindow-wayland: Add a forgotten ref

 gdk/wayland/gdkwindow-wayland.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 3e77b1c..b8d341e 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -831,7 +831,7 @@ xdg_surface_close (void *data,
   GdkEvent *event;
 
   event = gdk_event_new (GDK_DELETE);
-  event->any.window = window;
+  event->any.window = g_object_ref (window);
   event->any.send_event = TRUE;
 
   display = gdk_window_get_display (window);