include required headers for int64_t and AV_RB16()

Originally committed as revision 12306 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/mpeg.h

@@ -22,6 +22,9 @@
 #ifndef FFMPEG_MPEG_H
 #define FFMPEG_MPEG_H
 
+#include <stdint.h>
+#include "intreadwrite.h"
+
 #define PACK_START_CODE             ((unsigned int)0x000001ba)
 #define SYSTEM_HEADER_START_CODE    ((unsigned int)0x000001bb)
 #define SEQUENCE_END_CODE           ((unsigned int)0x000001b7)