git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 0c1a1ee swscale/ops_optimizer: don't push scale past truncating conversions
0c1a1ee12e09b8eb9e085d66486da47e9829edc1