git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 5bf57a9 avutil/x86/asm: Remove wrong comment, rename FF_REG_sp
5bf57a925ca57ba94538f64a22c7d14234794c7d