[mutter] window_actor: Remove the frame_messages timeout in destroy

[Adel Gadllah <agadllah src gnome org>]

commit 4752d427e4e5d1fdbc306134bc4b47e671a24b17
Author: Adel Gadllah <adel gadllah gmail com>
Date:   Sun Feb 2 11:37:25 2014 +0100

    window_actor: Remove the frame_messages timeout in destroy
    
    Otherwise it might fire off later and cause a crash.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=723468

 src/compositor/meta-window-actor.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 4e7c14d..6dfd9da 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -1285,6 +1285,12 @@ meta_window_actor_destroy (MetaWindowActor *self)
   window_type = meta_window_get_window_type (window);
   meta_window_set_compositor_private (window, NULL);
 
+  if (priv->send_frame_messages_timer != 0)
+    {
+      g_source_remove (priv->send_frame_messages_timer);
+      priv->send_frame_messages_timer = 0;
+    }
+
   /*
    * We remove the window from internal lookup hashes and thus any other
    * unmap events etc fail