Disable metadata reading, yes id like to know what this code is good for

and this is the easiest way to. It would be alot of messy code we can drop
if it is useless.
As a sideeffect this fixes issue977.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@18460 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/flvdec.c

@@ -342,7 +342,7 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
         if ((flags & 0xf0) == 0x50) /* video info / command frame */
             goto skip;
     } else {
-        if (type == FLV_TAG_TYPE_META && size > 13+1+4)
+        if (type == FLV_TAG_TYPE_META && size > 13+1+4 && 0)
             flv_read_metabody(s, next);
         else /* skip packet */
             av_log(s, AV_LOG_ERROR, "skipping flv packet: type %d, size %d, flags %d\n", type, size, flags);