avformat/asfdec: ignore packet_segments

Fixes Ticket1708
Based on patch by Alberto Delmás

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

libavformat/asfdec.c

@@ -1122,8 +1122,7 @@ static int asf_parse_packet(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
         if (url_feof(pb))
             return AVERROR_EOF;
 
-        if (asf->packet_size_left < FRAME_HEADER_SIZE ||
-            asf->packet_segments < 1) {
+        if (asf->packet_size_left < FRAME_HEADER_SIZE) {
             int ret = asf->packet_size_left + asf->packet_padsize;
 
             assert(ret >= 0);