Call delete on the deserialized TranslationUnit object.

llvm-svn: 49136
diff --git a/clang/Driver/SerializationTest.cpp b/clang/Driver/SerializationTest.cpp
index e9d6f59..086d558 100644
--- a/clang/Driver/SerializationTest.cpp
+++ b/clang/Driver/SerializationTest.cpp
@@ -99,6 +99,8 @@
     for (TranslationUnit::iterator I=NewTU->begin(), E=NewTU->end(); I!=E; ++I)
       FilePrinter->HandleTopLevelDecl(*I);
   }
+
+  delete NewTU;
   
   return true;
 }