[commit: ghc] master: Update directory submodule to latest 1.2.2 snapshot (8ce3871)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/8ce3871304d1f49e4f6fb0f3d9221d42f537848f/ghc

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

commit 8ce3871304d1f49e4f6fb0f3d9221d42f537848f
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Mon Jan 19 14:39:57 2015 +0100

    Update directory submodule to latest 1.2.2 snapshot


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

8ce3871304d1f49e4f6fb0f3d9221d42f537848f
 libraries/directory | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/directory b/libraries/directory
index e22771f..b78c422 160000
--- a/libraries/directory
+++ b/libraries/directory
@@ -1 +1 @@
-Subproject commit e22771f4e9fbd30b2ed4af75cf4b19b9e4e94c7c
+Subproject commit b78c422d9433141334d072a85f530dbacdadd1f7