patch applied (packages/unix): Support for DragonFly

[Simon Marlow]

Mon Dec 21 03:07:09 PST 2009  Simon Marlow <marlowsd at gmail.com>
  * Support for DragonFly
  Ignore-this: cafb4888bc25aa8ed97ce947acabfaca
  Not sure where this patch came from, I found it in my validate tree.

    M ./System/Posix/Signals.hsc -1 +1

View patch online:
http://darcs.haskell.org/packages/unix/_darcs/patches/20091221110709-12142-0aad95fea1914144b40fe6548786a6fc876707a5.gz