targaenc: switch to ff_alloc_packet2().

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

libavcodec/targaenc.c

@@ -86,8 +86,7 @@ static int targa_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         return AVERROR(EINVAL);
     }
     picsize = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height);
-    if ((ret = ff_alloc_packet(pkt, picsize + 45)) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "encoded frame too large\n");
+    if ((ret = ff_alloc_packet2(avctx, pkt, picsize + 45)) < 0) {
         return ret;
     }