git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
 * [new tag]         n8.1       -> n8.1
 * [new tag]         n8.2-dev   -> n8.2-dev
HEAD is now at ac4d50c swscale/ops_chain: Make ff_op_priv_free clear the freed pointer
ac4d50cb26225aa1890f12a80af0968d8eac26d5