git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 49e7339 swscale/uops: move SWS_MASK* from ops.h to uops.h
49e73395b7a0457c3a4c9d7100f4d3e25a2ace07