ges/ges-track-transition.c: set referece to vsmpte to NULL after freeing

diff --git a/ges/ges-track-transition.c b/ges/ges-track-transition.c
index c27316776731d0acf8bdd5cb29e088fa965920b1..708b6549f645914cb0cd453e97a6bcd66fa64eb2 100644 (file)
--- a/ges/ges-track-transition.c
+++ b/ges/ges-track-transition.c
@@ -181,6 +181,7 @@ ges_track_transition_dispose (GObject * object)
 
   if (self->vsmpte) {
     g_object_unref (self->vsmpte);
+    self->vsmpte = NULL;
   }
 
   G_OBJECT_CLASS (ges_track_transition_parent_class)->dispose (object);