git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 2dff015 doc/t2h.pm: Never use node nor empty @top heading in ffmpeg_heading_command
2dff0156ba8bf24a28a27422bede8ee96311ad22