git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 9eb6f2f avcodec/aacenc: fix PCE layouts for 7.1 and 7.1(wide)
9eb6f2f4508b7945240ce24963734fe25f3d7429