Fixup typo in MSVCCompatibility.rst

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@212219 91177308-0d34-0410-b5e6-96231b3b80d8
Fix Typo in MSVCCompatibility.rst
Also removed a sentance that was no longer relevant.




git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@212227 91177308-0d34-0410-b5e6-96231b3b80d8