lavf: fix aspect ratio mismatch message.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

libavformat/utils.c

@@ -2783,8 +2783,8 @@ int avformat_write_header(AVFormatContext *s, AVDictionary **options)
                 goto fail;
             }
             if(av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)){
-                av_log(s, AV_LOG_ERROR, "Aspect ratio mismatch between encoder "
-                       "(%d/%d) and muxer layer (%d/%d)\n",
+                av_log(s, AV_LOG_ERROR, "Aspect ratio mismatch between muxer "
+                       "(%d/%d) and encoder layer (%d/%d)\n",
                        st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
                        st->codec->sample_aspect_ratio.num,
                        st->codec->sample_aspect_ratio.den);