git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 7faa6ee libavformat/matroska: Support smpte 2094-50 metadata
7faa6ee2aa01e3bd747ce6c55e6d44c2ba7b0bb8