avcodec/libxavs: Use av_mallocz_array()

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

libavcodec/libxavs.c

@@ -353,7 +353,7 @@ static av_cold int XAVS_init(AVCodecContext *avctx)
     if (!x4->enc)
         return -1;
 
-    if (!(x4->pts_buffer = av_mallocz((avctx->max_b_frames+1) * sizeof(*x4->pts_buffer))))
+    if (!(x4->pts_buffer = av_mallocz_array((avctx->max_b_frames+1), sizeof(*x4->pts_buffer))))
         return AVERROR(ENOMEM);
 
     avctx->coded_frame = av_frame_alloc();