git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 86ddc8b swscale/output: Fix some integer overflows in yuv2rgba64_full*()
86ddc8b4383b3de2d1952c196146d447d0652336