Fix indentation in avcodec.h

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@20082 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/avcodec.h

@@ -2525,7 +2525,7 @@ typedef struct AVCodecContext {
      * - encoding: Set by user
      * - decoding: Set by libavcodec
      */
-     enum AVChromaLocation chroma_sample_location;
+    enum AVChromaLocation chroma_sample_location;
 } AVCodecContext;
 
 /**