[Bug libstdc++/88881] std::filesystem::status gives bad results on mingw32

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88881

--- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> ---
It looks like _stat and _wstat were fixed, but not _wstat64 which is what we
use.