cosmetics: reindent after last commit

Originally committed as revision 7130 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/matroska.c

@@ -2544,7 +2544,7 @@ matroska_parse_blockgroup (MatroskaDemuxContext *matroska,
                                 matroska->tracks[track]->stream_index;
 
                             pkt->pts = timecode;
-                        pkt->pos= pos;
+                            pkt->pos = pos;
 
                             matroska_queue_packet(matroska, pkt);
                         }