--- sys/applemedia/qtkitvideosrc.h.orig	2011-10-09 10:53:50.000000000 -0400
+++ sys/applemedia/qtkitvideosrc.h	2011-10-09 10:54:39.000000000 -0400
@@ -21,6 +21,7 @@
 #define __GST_QTKIT_VIDEO_SRC_H__
 
 #include <gst/base/gstpushsrc.h>
+#include <gst/interfaces/propertyprobe.h>
 
 G_BEGIN_DECLS
 
