patch applied (cabal): Remove some more ghc pre-6.4 support and common up some showPackageId uses

Fri Feb 22 09:42:27 PST 2008 Duncan Coutts * Remove some more ghc pre-6.4 support and common up some showPackageId uses M ./Distribution/Simple/GHC.hs -22 +13 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20080222174227-adfee-f9294443e...