git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 9ee6136 avcodec/mjpegdec: remove start_code field from MJpegDecodeContext
9ee6136ece2077369f8bd91ba7bf79bbe0c35739