git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 86670fe avcodec/ffv1dec: don't check chroma_planes for f->colorspace > 0
86670fec9cc83d634f39d23fdfcfcee253594b0b