patch applied (packages/unix): Tweak an internal detail

[Ian Lynagh]

Wed Mar  4 10:28:36 PST 2009  Ian Lynagh <igloo at earth.li>
  * Tweak an internal detail
  We now use an EmptyDataDecl rather than recursive newtype as an
  argument to Ptr. As well as being prettier, this also avoids an infinite
  loop bug in haddock (trac #3066).

    M ./System/Posix/Unistd.hsc -1 +1
    M ./unix.cabal -1 +1

View patch online:
http://darcs.haskell.org/packages/unix/_darcs/patches/20090304182836-3fd76-fbf424b3b42fed19f2e0a8f02348b52e2c876a71.gz