patch applied (cabal-install): Improve 'cabal info pkg' message when there is nothing to install

Mon Dec 17 20:06:45 EST 2007

Mon Dec 17 16:47:24 PST 2007  Duncan Coutts <duncan at haskell.org>
  * Improve 'cabal info pkg' message when there is nothing to install
    "All requested packages already installed. Nothing to do."
  rather than:
    "These packages would be installed:\n"
  followed by ... nothing.

    M ./Hackage/Info.hs +3