spree/spree — pull request #1482 by cyu (2012-05-03 14:14:00+00:00)
Title: Make gateway error method accessible

The Gateway implementations in the __spree_gateway__ gem were calling this method (when it was in `CreditCard`). It has now been moved to `Payment` and is declared private. The most straightforward thing to do here is to just move it up to the public block.