git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at c639ea5 avcodec/libsvtjpegxsenc: set bitrate to a sane default if unset
c639ea5eebc1ce671df01f33b8910b6479ec3430