tmhedberg/hsenv — pull request #29 by kofno (2013-06-16 00:56:05+00:00)
Title: [unset-GHC_MODE-env-var] unsets the PACKAGE_DB_FOR_GHC_MOD

I was playing around with HSENV and Haskell, and noticed this one variable wasn't being cleaned up when the environment is deactivated.