Merge commit 'a1859032'

* commit 'a1859032':
  flvdec: Do not default to a video and audio stream
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/flvdec.c

@@ -574,14 +574,6 @@ static int flv_read_header(AVFormatContext *s)
 
     avio_skip(s->pb, 4);
     flags = avio_r8(s->pb);
-    /* old flvtool cleared this field */
-    /* FIXME: better fix needed */
-    if (!flags) {
-        flags = FLV_HEADER_FLAG_HASVIDEO | FLV_HEADER_FLAG_HASAUDIO;
-        av_log(s, AV_LOG_WARNING,
-               "Broken FLV file, which says no streams present, "
-               "this might fail.\n");
-    }
 
     s->ctx_flags |= AVFMTCTX_NOHEADER;