patch applied (packages/containers): change Int to Key (type synonym) in 3 places for consistency

[Ross Paterson]

Wed Dec 15 07:04:59 PST 2010  Ross Paterson <ross at soi.city.ac.uk>
  * change Int to Key (type synonym) in 3 places for consistency

    M ./Data/IntMap.hs -3 +3

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=packages/containers;a=darcs_commitdiff;h=20101215150459-b47d3-0c0efb7301136edfffb7f8e11cc46d3703a5551b.gz