$NetBSD: patch-Rakefile,v 1.1 2013/03/07 17:00:44 taca Exp $

* Require modern task rule from rdoc.

--- Rakefile.orig	2007-03-23 11:32:09.000000000 +0000
+++ Rakefile
@@ -1,7 +1,7 @@
 require "rbconfig"
 require "rake/clean"
 require "rake/testtask"
-require "rake/rdoctask"
+require "rdoc/task"
 require "rake/packagetask"
 require "rake/contrib/compositepublisher"
 require "rake/contrib/sshpublisher"