ryanb/railscasts-episodes — pull request #16 by bobbungee (2011-11-22 01:46:10+00:00)
Title: Command injection fix in Episode #182

In Episode #182 Cropping Images there is a remote command injection vulnerability as expounded by [iblue](http://railscasts.com/episodes/182-cropping-images?view=comments).

This commit fixes the vulnerability by adding `to_i` to the arguments.