git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 21a3e44 avcodec/d3d12va_encode: add Region of Interest (ROI) support
21a3e44fbe12dd6e461db6e2b0f78231a4c9a1ae