git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 537e87e avfilter/f_ebur128: avoid signed-int wrap when sizing per-channel cache
537e87e3c28b5c09d4ee9dcf17cee272dc97bc16