[empathy/gnome-2-34: 6/7] Only distroy the video output if it exists

[Sjoerd Simons <sjoerds src gnome org>]

commit a340eeee18728a1fc59ddcb641b49537d03dd60a
Author: Sjoerd Simons <sjoerd simons collabora co uk>
Date:   Mon Mar 14 12:14:32 2011 +0000

    Only distroy the video output if it exists

 src/empathy-call-window.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/empathy-call-window.c b/src/empathy-call-window.c
index 108befa..6db01d2 100644
--- a/src/empathy-call-window.c
+++ b/src/empathy-call-window.c
@@ -1872,7 +1872,8 @@ empathy_call_window_disconnected (EmpathyCallWindow *self,
 
       /* destroy the video output; it will be recreated when we'll redial */
       disconnect_video_output_motion_handler (self);
-      gtk_widget_destroy (priv->video_output);
+      if (priv->video_output != NULL)
+        gtk_widget_destroy (priv->video_output);
       priv->video_output = NULL;
 
       gtk_widget_show (priv->remote_user_avatar_widget);