rspec/rspec-core — pull request #502 by ileitch (2011-11-13 10:47:44+00:00)
Title: Use require_relative inplace of standard require if available.

As per discussion on the mailing list: http://rubyforge.org/pipermail/rspec-users/2011-November/020760.html

Possibly the simplest approach I could think of. Provided this is OK, it could probably be moved into its own file.