Quick code review request for 634992 (enum) Include links from java.lang.Enum to EnumSet and EnumMap

[Joseph D. Darcy]

Please review this tiny doc fix to make EnumSet and EnumMap just a bit 
easier to find; patch below

-Joe
--- old/src/share/classes/java/lang/Enum.java    2009-10-09 
11:41:23.000000000 -0700
+++ new/src/share/classes/java/lang/Enum.java    2009-10-09 
11:41:23.000000000 -0700
@@ -44,6 +44,8 @@
 * @author  Josh Bloch
 * @author  Neal Gafter
 * @see     Class#getEnumConstants()
+ * @see     java.util.EnumSet
+ * @see     java.util.EnumMap
 * @since   1.5
 */
public abstract class Enum<E extends Enum<E>>