git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at d8ffec5 avcodec/vlc: Clear val8/16 in vlc_multi_gen() by av_mallocz()
d8ffec5bf9a2803f55cc0822a97b7815f24bee83