Basic: import OwningPtr<> into clang namespace

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149798 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index 89e0600..6f93d0b 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -1061,7 +1061,7 @@
     }
 
     // Build the pipeline for this file.
-    llvm::OwningPtr<Action> Current(new InputAction(*InputArg, InputType));
+    OwningPtr<Action> Current(new InputAction(*InputArg, InputType));
     for (unsigned i = 0; i != NumSteps; ++i) {
       phases::ID Phase = types::getCompilationPhase(InputType, i);