--- grass-6.4.3/lib/ogsf/gsd_img_mpeg.c.orig	2013-07-09 21:05:44.000000000 +0200
+++ grass-6.4.3/lib/ogsf/gsd_img_mpeg.c	2014-06-10 21:53:30.055116809 +0200
@@ -31,7 +31,7 @@
 #include <avutil.h>
 #else
 /* libavutil 51.22.1's avutil.h doesn't include libavutil/mathematics.h */
-#include <mathematics.h>
+#include <libavutil/mathematics.h>
 #endif
 
 /* 5 seconds stream duration */