--- old/src/cpu/zero/vm/interpreterRT_zero.hpp	2010-10-28 13:48:44.000000000 +0200
+++ new/src/cpu/zero/vm/interpreterRT_zero.hpp	2010-10-28 13:48:43.000000000 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2007, 2008 Red Hat, Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -23,6 +23,11 @@
  *
  */
 
+#ifndef CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP
+#define CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP
+
+#include "memory/allocation.hpp"
+
 class SignatureHandler {
  public:
   static SignatureHandler *from_handlerAddr(address handlerAddr) {
@@ -125,3 +130,5 @@
     return (SignatureHandler *) cif();
   }
 };
+
+#endif // CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP