git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at f29475a avutil/hwcontext_vulkan: check if expect_assume is supported by the header
f29475a89ecbd7cb4b744c652a7a13a7fb9f2edb