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

llvm-svn: 172323
diff --git a/clang/tools/libclang/SimpleFormatContext.h b/clang/tools/libclang/SimpleFormatContext.h
index ac48387..016d0b6 100644
--- a/clang/tools/libclang/SimpleFormatContext.h
+++ b/clang/tools/libclang/SimpleFormatContext.h
@@ -63,8 +63,8 @@
     return Result;
   }
 
-  llvm::IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
-  llvm::IntrusiveRefCntPtr<DiagnosticsEngine> Diagnostics;
+  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
+  IntrusiveRefCntPtr<DiagnosticsEngine> Diagnostics;
   FileManager Files;
   SourceManager Sources;
   Rewriter Rewrite;