Minor code simplification.

llvm-svn: 109443
diff --git a/clang/lib/Sema/CodeCompleteConsumer.cpp b/clang/lib/Sema/CodeCompleteConsumer.cpp
index 6cefc61..0310776 100644
--- a/clang/lib/Sema/CodeCompleteConsumer.cpp
+++ b/clang/lib/Sema/CodeCompleteConsumer.cpp
@@ -234,8 +234,7 @@
     default: OS << C->Text; break;
     }
   }
-  OS.flush();
-  return Result;
+  return OS.str();
 }
 
 const char *CodeCompletionString::getTypedText() const {