git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 0f6ba39 avfilter/vf_frei0r: guard against NULL string fields.
0f6ba391227e22e478c1e1913f997cd0e9e69d15