Fix name lookup issue

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124700 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndexCodeCompletion.cpp b/tools/libclang/CIndexCodeCompletion.cpp
index 2bd572c..705c62c 100644
--- a/tools/libclang/CIndexCodeCompletion.cpp
+++ b/tools/libclang/CIndexCodeCompletion.cpp
@@ -230,7 +230,7 @@
   llvm::SmallVector<const llvm::MemoryBuffer *, 1> TemporaryBuffers;
   
   /// \brief Allocator used to store code completion results.
-  CodeCompletionAllocator CodeCompletionAllocator;
+  clang::CodeCompletionAllocator CodeCompletionAllocator;
 };
 
 /// \brief Tracks the number of code-completion result objects that are