patch applied (packages/Cabal): Use disp/display in a couple more places instead of show

[Ian Lynagh]

Mon Mar 24 18:07:54 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Use disp/display in a couple more places instead of show

    M ./Distribution/PackageDescription/Check.hs -2 +2
    M ./Distribution/PackageDescription/Parse.hs -1 +1
    M ./Distribution/Simple/Setup.hs -7 +2

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080325010754-adfee-30e193cc6d00404aee680e2db4ac41110bd6c7f6.gz