Add libavfilter_version

Patch by Víctor Paesa

Commited in SoC by Vitor Sessak on 2008-02-12 20:31:53

Originally committed as revision 12117 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavfilter/avfilter.h

@@ -22,6 +22,8 @@
 #ifndef FFMPEG_AVFILTER_H
 #define FFMPEG_AVFILTER_H
 
+#define LIBAVFILTER_VERSION      0.0.0
+
 #include <stddef.h>
 #include "avcodec.h"