git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 9e71ea2 avformat/movenc: write stsd v2 atom when nb_channels > 2
9e71ea2d601d504204f43e88a9c64fd3c9f2dd2a