--- old/src/cpu/zero/vm/relocInfo_zero.hpp	2010-11-16 18:04:30.000000000 +0100
+++ new/src/cpu/zero/vm/relocInfo_zero.hpp	2010-11-16 18:04:30.000000000 +0100
@@ -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 Red Hat, Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -23,6 +23,9 @@
  *
  */
 
+#ifndef CPU_ZERO_VM_RELOCINFO_ZERO_HPP
+#define CPU_ZERO_VM_RELOCINFO_ZERO_HPP
+
   // machine-dependent parts of class relocInfo
  private:
   enum {
@@ -30,3 +33,5 @@
     offset_unit  =  1,
     format_width =  1
   };
+
+#endif // CPU_ZERO_VM_RELOCINFO_ZERO_HPP