--- old/src/share/vm/adlc/forms.hpp	2010-11-16 18:07:22.000000000 +0100
+++ new/src/share/vm/adlc/forms.hpp	2010-11-16 18:07:22.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,6 +22,9 @@
  *
  */
 
+#ifndef SHARE_VM_ADLC_FORMS_HPP
+#define SHARE_VM_ADLC_FORMS_HPP
+
 // FORMS.HPP - ADL Parser Generic and Utility Forms Classes
 
 #define TRUE 1
@@ -588,3 +591,5 @@
   void print_asserts(FILE *fp);
   void dump();
 };
+
+#endif // SHARE_VM_ADLC_FORMS_HPP