git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at c9977ac swscale/ops: clear range values SWS_OP_{MIN,MAX}
c9977acbc6b49cb6b1eef5601e1e1608c23b14e6