avformat/framehash: switch to AVFMT_FLAG_BITEXACT

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

libavformat/framehash.c

@@ -24,7 +24,7 @@ int ff_framehash_write_header(AVFormatContext *s)
 {
     int i;
 
-    if (s->nb_streams && !(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
+    if (s->nb_streams && !(s->flags & AVFMT_FLAG_BITEXACT))
         avio_printf(s->pb, "#software: %s\n", LIBAVFORMAT_IDENT);
     for (i = 0; i < s->nb_streams; i++) {
         AVStream *st = s->streams[i];