[FFmpeg-cvslog] Merge commit 'e412d683fe0349bb8450645813a23158bb4ebd66'

[Mark Thompson]

ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Mon Feb 12 23:00:13 2018 +0000| [e9dfc6f9006f81d6267d183b00616053b514df8f] | committer: Mark Thompson

Merge commit 'e412d683fe0349bb8450645813a23158bb4ebd66'

* commit 'e412d683fe0349bb8450645813a23158bb4ebd66':
  hwcontext: Perform usual uninitialisation on derived frames contexts

This commit is a noop, see 0f93cef2d6405f07b42719506cbde30f07dd8702

Merged-by: Mark Thompson <sw at jkqxz.net>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e9dfc6f9006f81d6267d183b00616053b514df8f
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