patch applied (cabal): Fix installing datafiles

[Ian Lynagh]

Sat Jul 12 10:39:34 PDT 2008  Ian Lynagh <igloo at earth.li>
  * Fix installing datafiles
  If datadir is foo and the datafile is bar then we should install it to
  $datadir/bar, not $datadir/foo/bar.

    M ./Distribution/Simple/Install.hs -3 +5
    M ./Distribution/Simple/Utils.hs +11

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20080712173934-3fd76-9e38979eb08d9ab2067f6ea26ac5464c96d1a04e.gz