alacenc: switch to ff_alloc_packet2()

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

libavcodec/alacenc.c

@@ -552,8 +552,7 @@ static int alac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     else
         max_frame_size = s->max_coded_frame_size;
 
-    if ((ret = ff_alloc_packet(avpkt, 2 * max_frame_size))) {
-        av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+    if ((ret = ff_alloc_packet2(avctx, avpkt, 2 * max_frame_size))) {
         return ret;
     }