avformat/flvdec: Also print sum_flv_tag_size on size mismatches

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavformat/flvdec.c

@@ -1143,7 +1143,7 @@ leave:
     if (last != orig_size + 11 && last != orig_size + 10 &&
         (last != orig_size || !last) && last != flv->sum_flv_tag_size &&
         !flv->broken_sizes) {
-        av_log(s, AV_LOG_ERROR, "Packet mismatch %d %d\n", last, orig_size + 11);
+        av_log(s, AV_LOG_ERROR, "Packet mismatch %d %d %d\n", last, orig_size + 11, flv->sum_flv_tag_size);
         avio_seek(s->pb, pos + 1, SEEK_SET);
         ret = resync(s);
         av_packet_unref(pkt);