ActiveSupport::OrderedHash#to_a Method.

This was a problem for me when I was upgrading my day job app to ruby 1.9 and rails 2.3.2. I've got a simple patch in that passes 1.8.x and 1.9.

https://rails.lighthouseapp.com/projects/8994-ruby-on-rails/tickets/2629-activesupportorderedhashto_a-for-ruby19-compatibility

  - Cheers,
    Ken