git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 462fac0 tests/checkasm/vc1dsp: Use correct function argument
462fac0e0f4b8cccb6e6bba7c8997efb88b40c6f