Replace another _MSC_VER by LLVM_ON_WIN32
Replace another _MSC_VER by LLVM_ON_WIN32

karies/cling,marsupial/cling,root-mirror/cling,karies/cling,root-mirror/cling,karies/cling,root-mirror/cling,marsupial/cling,karies/cling,marsupial/cling,marsupial/cling,marsupial/cling,karies/cling,root-mirror/cling,root-mirror/cling,root-mirror/cling,marsupial/cling,karies/cling