[commit: ghc] master: Update directory submodule to v1.2.5.0 release (55e9ab8)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/55e9ab80bd066cdffa3ed7a7f418f983a8e87716/ghc

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

commit 55e9ab80bd066cdffa3ed7a7f418f983a8e87716
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Fri Dec 18 10:53:17 2015 +0100

    Update directory submodule to v1.2.5.0 release
    
    This is the designated release to go with GHC 8.0.1


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

55e9ab80bd066cdffa3ed7a7f418f983a8e87716
 libraries/directory | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/directory b/libraries/directory
index 298529b..4dcb287 160000
--- a/libraries/directory
+++ b/libraries/directory
@@ -1 +1 @@
-Subproject commit 298529bf8adc38ed602eab300c63bbc68510e5a3
+Subproject commit 4dcb2873166558575fe70142da87952bd558f943