patch applied (ghc): ghc-cabal now adds the language flag being used

[Ian Lynagh]

Mon Jan 17 10:48:33 PST 2011  Ian Lynagh <igloo at earth.li>
  * ghc-cabal now adds the language flag being used
  This means we get -XHaskell98 added to the list of flags, just like we
  would if we were building with Cabal.

    M ./utils/ghc-cabal/Main.hs +1

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20110117184833-3fd76-5137ad056b02fddcf1ac147241e43e8d91143786.gz