[clutter] transition: Check if we're setting the same interval

[Emmanuele Bassi <ebassi src gnome org>]

commit 7b07d4a7c52d93b4b931a189c572f07b7ef9f04f
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Mon Jun 18 23:00:08 2012 +0100

    transition: Check if we're setting the same interval
    
    If we do, then don't bother.

 clutter/clutter-transition.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/clutter/clutter-transition.c b/clutter/clutter-transition.c
index 5407aa0..ec6055b 100644
--- a/clutter/clutter-transition.c
+++ b/clutter/clutter-transition.c
@@ -318,6 +318,9 @@ clutter_transition_set_interval (ClutterTransition *transition,
 
   priv = transition->priv;
 
+  if (priv->interval == interval)
+    return;
+
   g_clear_object (&priv->interval);
 
   if (interval != NULL)