--- old/src/cpu/zero/vm/register_zero.hpp	2010-10-28 13:48:52.000000000 +0200
+++ new/src/cpu/zero/vm/register_zero.hpp	2010-10-28 13:48:52.000000000 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2007 Red Hat, Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -23,6 +23,11 @@
  *
  */
 
+#ifndef CPU_ZERO_VM_REGISTER_ZERO_HPP
+#define CPU_ZERO_VM_REGISTER_ZERO_HPP
+
+#include "asm/register.hpp"
+
 class VMRegImpl;
 typedef VMRegImpl* VMReg;
 
@@ -108,3 +113,5 @@
 };
 
 CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1));
+
+#endif // CPU_ZERO_VM_REGISTER_ZERO_HPP