Revision 428353

multimedia/mlt: disable VDPAU to unbreak with ffmpeg 3.x

In file included from producer_avformat.c:153:
./vdpau.c:162:11: error: no member named 'type' in 'struct AVFrame'
                        frame->type = FF_BUFFER_TYPE_USER;
                        ~~~~~  ^
./vdpau.c:162:18: error: use of undeclared identifier 'FF_BUFFER_TYPE_USER'
                        frame->type = FF_BUFFER_TYPE_USER;
                                      ^
./vdpau.c:165:16: error: no member named 'reference' in 'struct AVFrame'
                        if ( frame->reference )
                             ~~~~~  ^
./vdpau.c:239:21: error: no member named 'get_buffer' in 'struct AVCodecContext'; did you mean 'get_buffer2'?
        self->video_codec->get_buffer = vdpau_get_buffer;
                           ^~~~~~~~~~
                           get_buffer2
/usr/local/include/libavcodec/avcodec.h:2565:11: note: 'get_buffer2' declared here
    int (*get_buffer2)(struct AVCodecContext *s, AVFrame *frame, int flags);
          ^
./vdpau.c:240:21: error: no member named 'release_buffer' in 'struct AVCodecContext'
        self->video_codec->release_buffer = vdpau_release_buffer;
        ~~~~~~~~~~~~~~~~~  ^

PR:		214197
Reported by:	antoine (via exp-run)
Suggested by:	matthew@reztek.cz
Approved by:	portmgr blanket