[commit: ghc] master: Bump unix submodule (2fd283b)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/2fd283bf46ed68ce31df56c82563765561957a77/ghc

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

commit 2fd283bf46ed68ce31df56c82563765561957a77
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Wed Mar 15 20:38:36 2017 -0400

    Bump unix submodule


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2fd283bf46ed68ce31df56c82563765561957a77
 libraries/unix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/unix b/libraries/unix
index 821cb07..47bcb47 160000
--- a/libraries/unix
+++ b/libraries/unix
@@ -1 +1 @@
-Subproject commit 821cb07ecf235625b4bb06626d30e4b15f28df30
+Subproject commit 47bcb4751c47e4026a7458f94e542d2c7dbbf92d