patch applied (packages/Cabal): update for containers-0.4

[Simon Marlow]

Fri Sep  3 03:51:47 PDT 2010  Simon Marlow <marlowsd at gmail.com>
  * update for containers-0.4

    M ./Cabal.cabal -1 +1
    M ./Distribution/PackageDescription/Configuration.hs -1 +2

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=packages/Cabal;a=darcs_commitdiff;h=20100903105147-12142-49c1eadd15419526b87a33d785783b2ac8f35fc6.gz