git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 9d73d10 avformat,avcodec: use PRI format macros for uint32_t in log messages
9d73d10c50957ed9deefbc3113136c97f5ab7f67