git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 80a4f96 fate/hls: add byterange tests for iframe_only+single_file playlists
80a4f96c7d6bd08da08d2f32e7cbaf7763838b2a