patch applied (packages/Cabal): Fix the build with GHC 6.4.2: Data.Map.alter doesn't exist

[Ian Lynagh]

Wed Jul  2 17:11:51 PDT 2008  Ian Lynagh <igloo at earth.li>
  * Fix the build with GHC 6.4.2: Data.Map.alter doesn't exist

    M ./Cabal.cabal +1
    A ./Distribution/Compat/Map.hs
    M ./Distribution/Simple/PackageSet.hs -1 +2

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080703001151-3fd76-c0280f5b5d59a76e1ac53b68e95b1d9d8b0dccd9.gz