git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at fd290e2 avcodec/cbs_av1_syntax_template: reset seen_frame_header on sequence
fd290e2fcdd431bdce5ae7f308d22e7eaa3afa96