git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at ddeec52 avcodec/x86/idctdsp: add restrict to match function pointer types
ddeec523a252cd3d0d04e45e1d225ffd7f1eea43