Merge commit 'bb7bf175'

* commit 'bb7bf175':
  vc1dec: Don't decode slices when the latest slice header failed to decode

Conflicts:
	libavcodec/vc1dec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/vc1dec.c

@@ -6072,7 +6072,6 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
     } else {
         int header_ret = 0;
 
-
         ff_mpeg_er_frame_start(s);
 
         v->bits = buf_size * 8;