patch applied (cabal-branches/cabal-1.4): base-1.0 does not have Data.Map.alter so use insertWith instead

Thu Jun 12 08:43:09 PDT 2008 Duncan Coutts <duncan@haskell.org> * base-1.0 does not have Data.Map.alter so use insertWith instead M ./Distribution/Simple/PackageIndex.hs -3 +1 View patch online: http://darcs.haskell.org/cabal-branches/cabal-1.4/_darcs/patches/20080612154...