git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at bc4cbbb avutil/hdr_dynamic_metadata: fix from_t35 NULL return and version doc
bc4cbbb85f16ff6eadd6548bafa0d6a1da0c0d06