git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at f43f609 avutil/x86/tx_float: add missing vzeroupper to 15xM PFA FFT
f43f609bb8a288e62a954dbde497ec6d0e16cae6