Merge commit '3ca1dd25'

* commit '3ca1dd25':
  xl: Make sure the width is valid

Conflicts:
	libavcodec/xl.c

See: 94b42da6Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/xl.c

@@ -49,11 +49,10 @@ static int decode_frame(AVCodecContext *avctx,
     uint32_t val;
     int y0, y1, y2, y3 = 0, c0 = 0, c1 = 0;
 
-    if (avctx->width & 3) {
+    if (avctx->width % 4) {
         av_log(avctx, AV_LOG_ERROR, "width is not a multiple of 4\n");
         return AVERROR_INVALIDDATA;
     }
-
     if (buf_size < avctx->width * avctx->height) {
         av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
         return AVERROR_INVALIDDATA;