Remove useless 'llvm::' qualifier from names like StringRef and others that are
brought into 'clang' namespace by clang/Basic/LLVM.h


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172323 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndexDiagnostic.cpp b/tools/libclang/CIndexDiagnostic.cpp
index 3154480..6b0a191 100644
--- a/tools/libclang/CIndexDiagnostic.cpp
+++ b/tools/libclang/CIndexDiagnostic.cpp
@@ -191,7 +191,7 @@
   if (!TU->Diagnostics) {
     CXDiagnosticSetImpl *Set = new CXDiagnosticSetImpl();
     TU->Diagnostics = Set;
-    llvm::IntrusiveRefCntPtr<DiagnosticOptions> DOpts = new DiagnosticOptions;
+    IntrusiveRefCntPtr<DiagnosticOptions> DOpts = new DiagnosticOptions;
     CXDiagnosticRenderer Renderer(AU->getASTContext().getLangOpts(),
                                   &*DOpts, Set);