[clang] [clang][MinGW] Always link ntdll.dll (PR #162997)

[Keno Fischer via cfe-commits]

Keno wrote:

Ok - I still think that's not a particularly compelling argument. It's much easier for users to add something to the link line than to remove something from it and adding something that the user didn't asker for seems undesirable, even if it doesn't actually change the set of loaded libraries in practice. At the very least it forces the linker to do extra work. So continued NAK from me.

https://github.com/llvm/llvm-project/pull/162997