patch applied (packages/Cabal): Normalise file names in warning messages

[Ian Lynagh]

Wed Apr 23 12:04:57 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Normalise file names in warning messages
  We already do this for error messages.

    M ./Distribution/ParseUtils.hs -2 +3

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080423190457-adfee-68305015bf61d612262f797507b2ff2757131841.gz