[commit: ghc] master: Update `directory` submodule to v1.2.6.0 release (3f3ad75)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/3f3ad75e7b9127dac72cca56623879fbec0b88c8/ghc

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

commit 3f3ad75e7b9127dac72cca56623879fbec0b88c8
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Sat Apr 16 21:17:03 2016 +0200

    Update `directory` submodule to v1.2.6.0 release


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3f3ad75e7b9127dac72cca56623879fbec0b88c8
 libraries/directory | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/directory b/libraries/directory
index 33ce1ca..74e5058 160000
--- a/libraries/directory
+++ b/libraries/directory
@@ -1 +1 @@
-Subproject commit 33ce1ca6bef97b60957e4763b046eac9a982ead0
+Subproject commit 74e5058282c1fefa09b332c4a5c55fbf57907777