copyright header change to satisfy BuildModuleTests

asm/src/org/aspectj/asm/IHierarchy.java

@@ -1,8 +1,13 @@
 /* *******************************************************************
+ * Copyright (c) 2003 Contributors.
+ * All rights reserved. 
  * This program and the accompanying materials are made available 
  * under the terms of the Common Public License v1.0 
  * which accompanies this distribution and is available at 
  * http://www.eclipse.org/legal/cpl-v10.html 
+ *  
+ * Contributors: 
+ *     Mik Kersten     initial implementation 
  * ******************************************************************/
 package org.aspectj.asm;