[commit: ghc] ghc-7.10: Update directory submodule to latest 1.2.2 snapshot (37c6934)

[git at git.haskell.org]

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

On branch  : ghc-7.10
Link       : http://ghc.haskell.org/trac/ghc/changeset/37c6934f12bd6fa9721e3522be46952f52580dca/ghc

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

commit 37c6934f12bd6fa9721e3522be46952f52580dca
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
    
    (cherry picked from commit 8ce3871304d1f49e4f6fb0f3d9221d42f537848f)


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37c6934f12bd6fa9721e3522be46952f52580dca
 libraries/directory | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/directory b/libraries/directory
index c43340d..b78c422 160000
--- a/libraries/directory
+++ b/libraries/directory
@@ -1 +1 @@
-Subproject commit c43340dc29874c80570a7295d5d4c93756b4bc03
+Subproject commit b78c422d9433141334d072a85f530dbacdadd1f7