tiffenc: switch to ff_alloc_packet2().

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

libavcodec/tiffenc.c

@@ -29,6 +29,7 @@
 #include "libavutil/opt.h"
 
 #include "avcodec.h"
+#include "internal.h"
 #if CONFIG_ZLIB
 #include <zlib.h>
 #endif
@@ -303,10 +304,8 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
 
     strips = (s->height - 1) / s->rps + 1;
 
-    if (!pkt->data &&
-        (ret = av_new_packet(pkt, avctx->width * avctx->height * s->bpp * 2 +
+    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * s->bpp * 2 +
                                   avctx->height * 4 + FF_MIN_BUFFER_SIZE)) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
         return ret;
     }
     ptr          = pkt->data;