git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 9ebfd68 swscale/swscale: force SwsDither and SwsAlphaBlend to 32 bits
9ebfd6809699b504a80eabb77bf46afbb996a45d