git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at b0fe52b avformat/tls_gnutls: add gnutls_pull_timeout() for dtls
b0fe52ba4ee6a826bafaf4c6a14b33ecb1d77b7a