yesodweb/wai — pull request #72 by basvandijk (2012-05-16 21:05:50+00:00)
Title: Use correct __GLASGOW_HASKELL__

[This](http://www.haskell.org/ghc/docs/latest/html/users_guide/options-phases.html#c-pre-processor) is the right way to use the `__GLASGOW_HASKELL__` CPP define.