git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 4c99535 avformat/udp: don't bind sockets to 0.0.0.0 by default for unicast UDP inputs
4c9953592ff55feb917a13f0d3fe14e3f9451584