git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 28ab24b avformat/matroskadec: avoid calling get_bytes_left() three times with the same state
28ab24b71717027ab67e6220bd0dad82a90f22c1