git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 05b8608 avcodec/x86/mpegvideoencdsp_init: Fix left shift of negative number
05b8608c76e76b7d8b4ce5e86e0940244fbb737e