[FFmpeg-cvslog] swscale: fix yuv2yuvX_8 assembly on x86

ffmpeg | branch: release/2.4 | Kieran Kunhya | Sun Nov 9 20:39:35 2014 +0100| [6f580e87350c817ac3176a9e75d158bf3faad4e3] | committer: Michael Niedermayer swscale: fix yuv2yuvX_8 assembly on x86 use_mmx_vfilter check/fix by commiter Signed-off-by: Michael Niedermayer (cherry picked from commi

[FFmpeg-cvslog] swscale: fix yuv2yuvX_8 assembly on x86

ffmpeg | branch: master | Kieran Kunhya | Sun Nov 9 20:39:35 2014 +0100| [b546023b9319cbaefb638a2eeac56bdbf53d6f8b] | committer: Michael Niedermayer swscale: fix yuv2yuvX_8 assembly on x86 use_mmx_vfilter check/fix by commiter Signed-off-by: Michael Niedermayer > http://git.videolan.org/git