patch applied (packages/haskell98): Add our own Permissions type, now System.Directory has deviated frmo H98

[Ian Lynagh]

Wed Aug 11 12:04:19 PDT 2010  Ian Lynagh <igloo at earth.li>
  * Add our own Permissions type, now System.Directory has deviated frmo H98

    M ./Directory.hs -1 +29

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=packages/haskell98;a=darcs_commitdiff;h=20100811190419-3fd76-4fa1321a6eedcd92d4f10d2b26b89418f8ae0e75.gz