[sushi] main: don't ignore the return value of gtk_clutter_init()

[Cosimo Cecchi <cosimoc src gnome org>]

commit 8b6a4a71c718406c80187868cb004721ae63f1d6
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Dec 19 11:35:07 2011 +0100

    main: don't ignore the return value of gtk_clutter_init()
    
    But return immediately if it fails.

 src/main.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index db044b7..63797e8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -142,7 +142,10 @@ main (int argc, char **argv)
   GError *error;
 
   clutter_x11_set_use_argb_visual (TRUE);
-  gtk_clutter_init (&argc, &argv);
+
+  if (gtk_clutter_init (&argc, &argv) < 0)
+    return EXIT_FAILURE;
+
   clutter_gst_init (0, NULL);
 
   parse_options (&argc, &argv);