Hide internal apps from rake routes [#5443 state:resolved]

railties/lib/rails/tasks/routes.rake

@@ -17,7 +17,7 @@ task :routes => :environment do
     name = named_routes.send(key, route).to_s
 
     reqs = route.requirements.dup
-    reqs[:to] = route.app unless route.app.is_a?(ActionDispatch::Routing::RouteSet::Dispatcher)
+    reqs[:to] = route.app unless route.app.class.name.to_s =~ /^ActionDispatch::Routing/
     reqs = reqs.empty? ? "" : reqs.inspect
 
     {:name => name, :verb => route.verb.to_s, :path => route.path, :reqs => reqs}