git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 5c88f46 avutil/x86/aes: Only assemble iff HAVE_AESNI_EXTERNAL
5c88f46c92c9803fd99777573981580f79086f66