ryanb/cancan — pull request #492 by soopa (2011-10-15 01:18:12+00:00)
Title: Fix "uninitialized constant CanCan::Rule::ModelAdapters"

Integrating CanCan with Sinatra 1.3 / DataMapper 1.2 / Ruby 1.9.2, I encountered this error. This change fixes it, but I haven't tested with an alternate stack.