flacdec: mark as AVSTREAM_PARSE_FULL_RAW

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/flacdec.c

@@ -165,7 +165,7 @@ static int flac_read_header(AVFormatContext *s)
         return AVERROR(ENOMEM);
     st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
     st->codec->codec_id = CODEC_ID_FLAC;
-    st->need_parsing = AVSTREAM_PARSE_FULL;
+    st->need_parsing = AVSTREAM_PARSE_FULL_RAW;
     /* the parameters will be extracted from the compressed bitstream */
 
     /* if fLaC marker is not found, assume there is no header */