git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 4da84d5 swscale/swscale_unscaled: Actually use X2->RGBA64 conversions
4da84d5c2b2b0cd415ef4c514f716784654cee54