fix #730

Author: demarey

load-pl.st

@@ -25,4 +25,7 @@ Metacello new
     onConflict: [ :e | e useIncoming ];
     onUpgrade: [ :e | e useIncoming ];
     ignoreImage;
-    load.
+    load.
+
+"Need the following fix since Monticello does not do the job"
+(Smalltalk at: #GEnumeration) allSubclassesDo: #initializeEnumeration