git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 5f69124 avcodec/vaapi_encode: remove duplicate FLAG_TIMESTAMP_NO_DELAY
5f69124aaaed9f7e01dad8d849577826e7a5b20c