libavcodec/libvpxenc: Don't free user-provided AVPacket

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
5 years ago · 26b4509690
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -1148,7 +1148,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
                                                cx_frame->sz_alpha + 8);
            if(!side_data) {
                av_packet_unref(pkt);
                av_free(pkt);
                return AVERROR(ENOMEM);
            }
            AV_WB64(side_data, 1);