git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at fb72a3d avcodec/vc1_block: Simplify vc1_coded_block_pred()
fb72a3d567f3300b69b2f45227a3e8a6b75314ac