mxcl/homebrew — pull request #12605 by rhysd (2012-06-05 18:20:07+00:00)
Title: Re-commit: haskell-platform 2012.2.0.0 and GHC 7.4.1

GHC and haskell-platform has been updated.
I checked that these formulae built them correctly.

I encapsulate to two commits, ghc update and haskell-platform update.

Previous pull request is #12586 .