[clang] [MS] Follow up fix to pass aligned args to variadic x86_32 functions (PR #65692)

[Aaron Ballman via cfe-commits]

AaronBallman wrote:

> LGTM if the clang team are happy with us not raising the alignment error

Yup, that's what got us on this path in the first place. Our downstream at Intel started getting errors on code that was previously working, this restores the previous behavior in that case.

https://github.com/llvm/llvm-project/pull/65692