Clean up

llvm-svn: 31238
diff --git a/llvm/include/llvm/ADT/FoldingSet.h b/llvm/include/llvm/ADT/FoldingSet.h
index eb361e9..6b04633 100644
--- a/llvm/include/llvm/ADT/FoldingSet.h
+++ b/llvm/include/llvm/ADT/FoldingSet.h
@@ -118,7 +118,7 @@
   
 public:
   FoldingSetImpl();
-  ~FoldingSetImpl();
+  virtual ~FoldingSetImpl();
   
   // Forward declaration.
   class Node;
@@ -245,7 +245,7 @@
   }
 };
 
-}; // End of namespace llvm.
+} // End of namespace llvm.
 
 
 #endif