Merge commit '91be1103'

* commit '91be1103':
  wnv1: Make sure the input packet is large enough

Conflicts:
	libavcodec/wnv1.c

See: f23a2418Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/wnv1.c

@@ -68,8 +68,8 @@ static int decode_frame(AVCodecContext *avctx,
     int prev_y = 0, prev_u = 0, prev_v = 0;
     uint8_t *rbuf;
 
-    if(buf_size<=8) {
-        av_log(avctx, AV_LOG_ERROR, "buf_size %d is too small\n", buf_size);
+    if (buf_size <= 8) {
+        av_log(avctx, AV_LOG_ERROR, "Packet size %d is too small\n", buf_size);
         return AVERROR_INVALIDDATA;
     }