[commit: ghc] master: Update `containers` to 0.5.3.1 release (8a8cfb2)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/8a8cfb2ce9ff3d0b1a46421e02ebd5c0b7c61310/ghc

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

commit 8a8cfb2ce9ff3d0b1a46421e02ebd5c0b7c61310
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Wed Sep 4 20:50:15 2013 +0200

    Update `containers` to 0.5.3.1 release


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

8a8cfb2ce9ff3d0b1a46421e02ebd5c0b7c61310
 libraries/containers |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/containers b/libraries/containers
index 154cd53..c4f44a3 160000
--- a/libraries/containers
+++ b/libraries/containers
@@ -1 +1 @@
-Subproject commit 154cd539a22e4d82ff56fec2d8ad38855f78513a
+Subproject commit c4f44a33136df0c6239eb5219b72a487b90b6ad1