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/CXComment.cpp b/tools/libclang/CXComment.cpp
index d72403d..cf7a488 100644
--- a/tools/libclang/CXComment.cpp
+++ b/tools/libclang/CXComment.cpp
@@ -923,7 +923,7 @@
     
   // Formatter specific code.
   // Form a unique in memory buffer name.
-  llvm::SmallString<128> filename;
+  SmallString<128> filename;
   filename += "xmldecl";
   filename += llvm::utostr(FormatInMemoryUniqueId);
   filename += ".xd";