git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 9bc4109 avformat/tls_openssl: fix memory leak in cert_from_pem_string
9bc4109b23d8a6cad3982f481952764cafef0e35