matroskadec: cosmetics: indentation of matroska_read_header()

Originally committed as revision 14569 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/matroskadec.c

@@ -1643,7 +1643,6 @@ matroska_read_header (AVFormatContext    *s,
     if (ebml_peek_id(matroska, NULL) != MATROSKA_ID_CLUSTER)
         return -1;
 
-    {
     tracks = matroska->tracks.elem;
     for (i=0; i < matroska->tracks.nb_elem; i++) {
         MatroskaTrack *track = &tracks[i];
@@ -1693,7 +1692,7 @@ matroska_read_header (AVFormatContext    *s,
 
         }
 
-            if (!strcmp(track->codec_id, "V_QUICKTIME") &&
+        else if (!strcmp(track->codec_id, "V_QUICKTIME") &&
                  (track->codec_priv.size >= 86) &&
                  (track->codec_priv.data != NULL)) {
             track->video.fourcc = AV_RL32(track->codec_priv.data);
@@ -1825,7 +1824,6 @@ matroska_read_header (AVFormatContext    *s,
         /* What do we do with private data? E.g. for Vorbis. */
     }
     res = 0;
-    }
 
     index_list = &matroska->index;
     index = index_list->elem;