git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at fc5f45b avcodec/libdav1d: only consider colorspace when choosing between YUV and GBR
fc5f45bd42c7f9cd203ca260765e549bd15ecaf2