ClutterGst.VideoSink subclasses Gst.Navigation since
commit 47305de837090f3bdb21183bcac51a056561b639

https://bugzilla.gnome.org/732138

--- a/vapi/clutter-gst-1.0.deps
+++ b/vapi/clutter-gst-1.0.deps
@@ -1,3 +1,4 @@
 clutter-1.0
 gstreamer-0.10
 gstreamer-base-0.10
+gstreamer-interfaces-0.10