patch applied (packages/containers): Placate GHC with explicit import lists

[Ian Lynagh]

Fri Jun 20 11:39:26 PDT 2008  Ian Lynagh <igloo at earth.li>
  * Placate GHC with explicit import lists

    M ./Data/Map.hs -2 +2
    M ./Data/Sequence.hs -2 +3
    M ./Data/Set.hs -2 +2

View patch online:
http://darcs.haskell.org/packages/containers/_darcs/patches/20080620183926-3fd76-803302656e9b09a40220631cf31f2a6a6fbd12bc.gz