binary compatibility fix

Originally committed as revision 1700 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/avcodec.h

@@ -388,14 +388,6 @@ typedef struct AVCodecContext {
      */
     int frame_rate;
     
-    /**
-     * frame_rate_base.
-     * for variable fps this is 1
-     * - encoding: set by user.
-     * - decoding: set by lavc.
-     */
-    int frame_rate_base;
-
     /**
      * width / height.
      * - encoding: MUST be set by user. 
@@ -1039,6 +1031,15 @@ typedef struct AVCodecContext {
      */
     int me_range;
 
+    /**
+     * frame_rate_base.
+     * for variable fps this is 1
+     * - encoding: set by user.
+     * - decoding: set by lavc.
+     * @todo move this after frame_rate
+     */
+    int frame_rate_base;
+
 } AVCodecContext;