patch applied (cabal): Make getting ghc supported language extensions its own function

Mon Dec 8 09:58:15 PST 2008 Duncan Coutts <duncan@haskell.org> * Make getting ghc supported language extensions its own function M ./Distribution/Simple/GHC.hs -14 +22 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20081208175815-adfee-d461633bc...