add the necessary include for LIBAV*_VERSION_*

Originally committed as revision 16571 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/opt.h

@@ -28,6 +28,7 @@
  */
 
 #include "libavutil/rational.h"
+#include "avcodec.h"
 
 enum AVOptionType{
     FF_OPT_TYPE_FLAGS,

libavutil/fifo.h

@@ -25,6 +25,7 @@
 #define AVUTIL_FIFO_H
 
 #include <stdint.h>
+#include "avutil.h"
 #include "common.h"
 
 typedef struct AVFifoBuffer {

libavutil/log.h

@@ -22,6 +22,7 @@
 #define AVUTIL_LOG_H
 
 #include <stdarg.h>
+#include "avutil.h"
 
 /**
  * Describes the class of an AVClass context structure, that is an