git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 539fc85 fftools/ffmpeg_mux_init: add support for LCEVC Stream Group muxing
539fc854e74dcaf2e7ffdfe7ec05431c37f226d0