[compiler-rt] [ASan][Windows] Add __cdecl to public sanitizer functions (PR #69625)

[nicole mazzuca via llvm-commits]

strega-nil wrote:

> There's a lot of noise in the PR though, I presume it comes from clang-format wanting to update things and the files not being quite formatted to begin with? I guess that's ok...

yeah, that's exactly what it is; `clang-format` is annoying sometimes :/

https://github.com/llvm/llvm-project/pull/69625