git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at fc7c38f avcodec/d3d12va_encode: add detailed ValidationFlags error reporting for video encoders check feature support
fc7c38f9da4a9262beedd0fd8bf69d5c0f32d923