* lib/delegate.rb (marshal_dump, marshal_load: defined for Marshal.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4318 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/delegate.rb

@@ -51,6 +51,12 @@ class Delegator
     raise NotImplementedError, "need to define `__getobj__'"
   end
 
+  def marshal_dump
+    __getobj__
+  end
+  def marshal_load(obj)
+    initialize(obj)
+  end
 end
 
 class SimpleDelegator<Delegator