[FFmpeg-cvslog] Merge commit '173b56218f39c6463be0e182259e2deead106936'

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Sat Nov 11 10:14:11 2017 -0300| [9194d3d3806f47941109a82ef1ff1f704e8e5b24] | committer: James Almer

Merge commit '173b56218f39c6463be0e182259e2deead106936'

* commit '173b56218f39c6463be0e182259e2deead106936':
  lavf: make avio_read_partial() public
  swscale: Do not expand a macro with 'defined' in it
  configure: Include d3d11va_extralibs in libavutil

This commit is a noop, see
69218b41980883a7e75656f3058171939f5729ef
add7b3bc3fb7685cd0a3ccffd2b09cc0e32c39ec
5d76674756806e3b458e484788775fcee34aac2a

Merged-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9194d3d3806f47941109a82ef1ff1f704e8e5b24
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