[FFmpeg-cvslog] cbs_av1: Fix header writing when already aligned

ffmpeg | branch: release/4.1 | Mark Thompson | Sun Nov 4 23:56:39 2018 +| [af3fccfeff74da54fc3e702fbb6757c2aad2814e] | committer: Mark Thompson cbs_av1: Fix header writing when already aligned (cherry picked from commit 6bdb7712ae0267ba4f69c7434d2b3dee12762d1d) > http://git.videolan.org/

[FFmpeg-cvslog] cbs_av1: Fix header writing when already aligned

ffmpeg | branch: master | Mark Thompson | Sun Nov 4 23:56:39 2018 +| [6bdb7712ae0267ba4f69c7434d2b3dee12762d1d] | committer: Mark Thompson cbs_av1: Fix header writing when already aligned > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6bdb7712ae0267ba4f69c7434d2b3dee12762d1d