git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 7770c0b avcodec/exr: don't remove Float2HalfTables tables alongside the deprecated gamma code
7770c0bf0d958851b4aaf42de9246a7cd874e15c