thoughtbot/paperclip — pull request #991 by jboyens (2012-08-15 18:55:31+00:00)
Title: Fix for an improper modification during iteration

This should fix #985 on Ruby 1.9.3. Tests pass, but couldn't come up with anything genius other than brute force to ensure it works with Ruby 1.9.2 and 1.9.3.