Make new mime types first class [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4408 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_controller/mime_responds.rb

@@ -137,7 +137,7 @@ def known(mime_type_extension, &block)
       end
 
       def any(*args, &block)
-        args.each { |type| send(type, &block) }
+        args.each { |type| known(type, &block) }
       end
       
       def respond