Allow building with javac from JDK 1.1.8.

js/rhino/src/org/mozilla/javascript/IdFunction.java

@@ -273,8 +273,8 @@ public class IdFunction extends ScriptableObject implements Function
         ID_NAME      = 3,
         ID_PROTOTYPE = 4;
         
-    protected final Master master;
-    protected final int methodId;
+    protected /*final*/ Master master;
+    protected /*final*/ int methodId;
     
     protected String methodName;