patch applied (packages/unix): fix pthread linkage problem for openbsd

[Simon Marlow]

Fri Nov 28 16:06:38 PST 2008  Matthias Kilian <kili at outback.escape.de>
  * fix pthread linkage problem for openbsd
  This should make my openbsd build slave happy when SplitObjs=NO.
  May be useful for other BSDs and even Linux, regardless wether you
  need -pthread or -lpthread. Time will tell...

    M ./configure.ac +16
    M ./unix.buildinfo.in -1 +3

View patch online:
http://darcs.haskell.org/packages/unix/_darcs/patches/20081129000638-6d641-7157ddcb7000cc110a47df7e0c84d4cd07f098db.gz