From cd681681e655b155b8f739d8042389a58be28111 Mon Sep 17 00:00:00 2001
From: Emilio Tagua <miloops@gmail.com>
Date: Fri, 24 Sep 2010 15:41:01 -0300
Subject: [PATCH] Initialize @_routes if it doesn't exists.

---
 actionpack/lib/action_dispatch/routing/url_for.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/actionpack/lib/action_dispatch/routing/url_for.rb b/actionpack/lib/action_dispatch/routing/url_for.rb
index e836cf7c8e..045c9ec77d 100644
--- a/actionpack/lib/action_dispatch/routing/url_for.rb
+++ b/actionpack/lib/action_dispatch/routing/url_for.rb
@@ -128,6 +128,7 @@ def url_for(options = nil)
         when String
           options
         when nil, Hash
+          @_routes ||= nil
           _routes.url_for((options || {}).reverse_merge!(url_options).symbolize_keys)
         else
           polymorphic_url(options)
-- 
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