remove unneeded llvm:: namespace qualifiers on some core types now that LLVM.h imports
them into the clang namespace.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135852 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCXXABI.cpp b/lib/CodeGen/CGCXXABI.cpp
index ff7213d..8106507 100644
--- a/lib/CodeGen/CGCXXABI.cpp
+++ b/lib/CodeGen/CGCXXABI.cpp
@@ -20,7 +20,7 @@
 CGCXXABI::~CGCXXABI() { }
 
 static void ErrorUnsupportedABI(CodeGenFunction &CGF,
-                                llvm::StringRef S) {
+                                StringRef S) {
   Diagnostic &Diags = CGF.CGM.getDiags();
   unsigned DiagID = Diags.getCustomDiagID(Diagnostic::Error,
                                           "cannot yet compile %1 in this ABI");