[clutter-gst] playback: Fix X11 code running on non-X11 backends

[Bastien Nocera <hadess src gnome org>]

commit b23c0c06bd1e2aff3ba1dbc92327529c08585c3d
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Mar 26 11:42:11 2013 +0100

    playback: Fix X11 code running on non-X11 backends
    
    Check that we're running in X11 before calling
    clutter_x11_get_default_display() and using its result.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=681508

 clutter-gst/clutter-gst-playback.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/clutter-gst/clutter-gst-playback.c b/clutter-gst/clutter-gst-playback.c
index 1b00615..a368de1 100644
--- a/clutter-gst/clutter-gst-playback.c
+++ b/clutter-gst/clutter-gst-playback.c
@@ -2029,8 +2029,9 @@ clutter_gst_playback_init (ClutterGstPlayback *self)
                     self);
 
 #if defined(CLUTTER_WINDOWING_X11) && defined (HAVE_HW_DECODER_SUPPORT)
-  gst_bus_set_sync_handler (priv->bus, on_sync_message,
-      clutter_x11_get_default_display (), NULL);
+  if (clutter_check_windowing_backend (CLUTTER_WINDOWING_X11))
+    gst_bus_set_sync_handler (priv->bus, on_sync_message,
+        clutter_x11_get_default_display (), NULL);
 #endif
 
   gst_object_unref (GST_OBJECT (priv->bus));