git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 89f984e avcodec/x86/h264_idct: Fix ff_h264_luma_dc_dequant_idct_sse2 checkasm failures
89f984e3d1d8f1f009c616e0c6425094395fdbdc