git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 8ebccdf avformat/av1dec: fix setting AVPacket->pos in Annex-B demuxer
8ebccdf2a4f902d289f1ba0da305b5062f6e6fb0