[libcxx] Fix intrinsics for MSVC

The parameter was previously renamed but MSVC path was not updated.

Patch by Andrey Khalyavin.

Differential Revision: https://reviews.llvm.org/D40774

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@319802 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed