git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at e43aab6 avdevice/v4l2: rename 'buff_data' -> 'buf_desc'
e43aab67ed00e7aa66e8e4eb4f0f57e8a6b2d11e