git version 2.4.0
Removing ffbuild/config.fate
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 1ecf429 avutil/hwcontext_videotoolbox: document mapping string ownership
1ecf42935734174a289eb5b2ea37542f3403f83f