aacenc: switch to ff_alloc_packet2()

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

libavcodec/aacenc.c

@@ -574,8 +574,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     do {
         int frame_bits;
 
-        if ((ret = ff_alloc_packet(avpkt, 768 * s->channels))) {
-            av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+        if ((ret = ff_alloc_packet2(avctx, avpkt, 768 * s->channels))) {
             return ret;
         }
         init_put_bits(&s->pb, avpkt->data, avpkt->size);