[empathy] check gtk_clutter_init() return value

[Guillaume Desmottes <gdesmott src gnome org>]

commit ee0869ab06ca33e8a19301dc96f5dadf84184972
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Wed Feb 22 14:03:14 2012 +0100

    check gtk_clutter_init() return value

 src/empathy.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/empathy.c b/src/empathy.c
index 766ffaa..2ed3bab 100644
--- a/src/empathy.c
+++ b/src/empathy.c
@@ -848,7 +848,8 @@ main (int argc, char *argv[])
   g_type_init ();
 
 #ifdef HAVE_LIBCHAMPLAIN
-  gtk_clutter_init (&argc, &argv);
+  g_return_val_if_fail (gtk_clutter_init (&argc, &argv) ==
+      CLUTTER_INIT_SUCCESS, 1);
 #endif
 
   g_type_init ();