patch from...

patch from http://www.freebsd.org/cgi/cvsweb.cgi/ports/multimedia/ffmpeg-devel/files/patch-libavcodec::x264.c
(math.h needed for log2() at least)


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@4426 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/x264.c

@@ -19,6 +19,7 @@
 
 #include "avcodec.h"
 #include <x264.h>
+#include <math.h>
 
 typedef struct X264Context {
     x264_param_t params;