git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 6815297 libavformat/movenc: Output ftyp atom with hybrid_fragmented+delay_moov
68152978b522c0a24a3e4d26af2a5fbeffb22e24