patch applied (cabal-install): Packages are only invalid if they have more than zero problems.

Mon May 5 02:05:13 PDT 2008 Duncan Coutts <duncan@haskell.org> * Packages are only invalid if they have more than zero problems. M ./Hackage/InstallPlan.hs -2 +4 View patch online: http://darcs.haskell.org/cabal-install/_darcs/patches/20080505090513-adfee-2...