git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 8c2c31f avcodec/utils: Don't attempt to derive CodecID name from de/encoders
8c2c31f80c20d14eadd12dfde04b5ce2421d5223