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/lib/AST/ItaniumMangle.cpp b/lib/AST/ItaniumMangle.cpp
index b6077ec..65e630e 100644
--- a/lib/AST/ItaniumMangle.cpp
+++ b/lib/AST/ItaniumMangle.cpp
@@ -657,7 +657,7 @@
   assert(numCharacters != 0);
 
   // Allocate a buffer of the right number of characters.
-  llvm::SmallVector<char, 20> buffer;
+  SmallVector<char, 20> buffer;
   buffer.set_size(numCharacters);
 
   // Fill the buffer left-to-right.