spree/spree — pull request #2259 by tommyblue (2012-11-29 14:38:46+00:00)
Title: Fixed the call to select_month and select_year in checkout gateway partial

A wrong use of `select_month` and `select_year`, which signatures are:

```ruby
select_month(date, options = {}, html_options = {})
select_year(date, options = {}, html_options = {})
```

prevented the right class to be associated to the `select` tags.
This patch fixes these issues