[commit: ghc] ghc-8.0: Update unix submodule to latest HEAD. (96850ef)

[git at git.haskell.org]

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

On branch  : ghc-8.0
Link       : http://ghc.haskell.org/trac/ghc/changeset/96850ef96461df54862e5e9f53deb14145bd6925/ghc

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commit 96850ef96461df54862e5e9f53deb14145bd6925
Author: Edward Z. Yang <ezyang at cs.stanford.edu>
Date:   Thu Sep 8 12:05:30 2016 -0700

    Update unix submodule to latest HEAD.
    
    Fixes readdir validation error (fixes #12572).
    
    Signed-off-by: Edward Z. Yang <ezyang at cs.stanford.edu>
    (cherry picked from commit a8238a4eb628dcab93e19021b27c0cf2b38ef7d0)


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96850ef96461df54862e5e9f53deb14145bd6925
 libraries/unix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/unix b/libraries/unix
index 5b2e91a..7b20b4c 160000
--- a/libraries/unix
+++ b/libraries/unix
@@ -1 +1 @@
-Subproject commit 5b2e91a09190f1686ea195d25183abda1757d771
+Subproject commit 7b20b4cbc35a2fea3f26c988f9b2a95640babaaa