git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at d138169 avcodec/libvorbisdec: output AV_SAMPLE_FMT_FLTP
d138169966c113d4c8ce6090e8ac849c217742d3