lavc: Don't export ff_vdpau_vc1_decode_picture

It's not our responsibility to account for other projects'
terrible hacky usage.

Also, it is no longer needed by XMBC, since 78b71d4.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
avfilter: port pullup filter from libmpcodecs

Signed-off-by: Paul B Mahol <onemda@gmail.com>
avfilter/x86/vf_pullup: try to fix build on x64

Signed-off-by: Paul B Mahol <onemda@gmail.com>
avformat/asfenc: fix a build error

It's introduced by the erroneous merging commit cbe47b1e.

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