patch applied (packages/network): Add IPv6 support to Network.

[Ian Lynagh]

Wed Apr  4 15:37:51 PDT 2007  Bryan O'Sullivan <bos at serpentine.com>
  * Add IPv6 support to Network.
  
  The public API remains unchanged; it can now transparently handle IPv6
  addresses and sockets.

    M ./Network.hs -7 +111