[commit: ghc] master: Bump unix submodule (9df71bf)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/9df71bfb73a2d550789115b66e49462bda51c357/ghc

>---------------------------------------------------------------

commit 9df71bfb73a2d550789115b66e49462bda51c357
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Tue Aug 1 11:10:46 2017 -0400

    Bump unix submodule


>---------------------------------------------------------------

9df71bfb73a2d550789115b66e49462bda51c357
 libraries/unix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/unix b/libraries/unix
index fcaa530..063aea3 160000
--- a/libraries/unix
+++ b/libraries/unix
@@ -1 +1 @@
-Subproject commit fcaa530a8fdd3897353bdf246752a91d675aad46
+Subproject commit 063aea3fbc5a8caa03d0deb9a887763006ab86df