[commit: ghc] master: Update `unix` submodule to latest snapshot (334cb10)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/334cb108c17e02b9f83db09a0dc85a1f1c11a134/ghc

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

commit 334cb108c17e02b9f83db09a0dc85a1f1c11a134
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Sat Dec 6 22:45:22 2014 +0100

    Update `unix` submodule to latest snapshot


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334cb108c17e02b9f83db09a0dc85a1f1c11a134
 libraries/unix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/unix b/libraries/unix
index c46a7fe..256b191 160000
--- a/libraries/unix
+++ b/libraries/unix
@@ -1 +1 @@
-Subproject commit c46a7fecc212573cc7864a25a762e9e6849f7257
+Subproject commit 256b19184bcb05c3cd9a6061730b7d67d61c0763