git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at bb65b54 avcodec/x86/sbcdsp: Port MMX sbc_calc_scalefactors to SSE4
bb65b54f2f6c0f1e6bf0100d4a1119a4efecc590