git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at a83c6ad libavcodec/x86/h264_intrapred: Base-4 numbers for shuffling immediates
a83c6ad94619ab8f7f4f877463c9532a4f10bb78