patch applied (cabal): Make warning messages show the file name

Tue Apr 22 07:19:09 PDT 2008 Duncan Coutts * Make warning messages show the file name M ./Distribution/ParseUtils.hs -2 +4 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20080422141909-adfee-c4332c37f...