git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at cd03e0a libavformat/evcdec.c: add a check to ensure evc_frame_merge_bsf is present
cd03e0a001f301b5c584491a53fe991e8d87ffb2