git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at a2914a1 avcodec/x86/hpeldsp: Don't use PAVGB macro
a2914a1ec32d1438a8112e5d52f0f52f64a7b52e