[commit: ghc] ghc-8.0: Bump Cabal submodule (e223022)

[git at git.haskell.org]

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

On branch  : ghc-8.0
Link       : http://ghc.haskell.org/trac/ghc/changeset/e2230228906a1c0fa1f86a0c1aa18d87de3cc49d/ghc

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

commit e2230228906a1c0fa1f86a0c1aa18d87de3cc49d
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Thu Feb 4 17:16:47 2016 +0100

    Bump Cabal submodule


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

e2230228906a1c0fa1f86a0c1aa18d87de3cc49d
 libraries/Cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Cabal b/libraries/Cabal
index ecdf65a..7aab356 160000
--- a/libraries/Cabal
+++ b/libraries/Cabal
@@ -1 +1 @@
-Subproject commit ecdf65a3c1e01b798e9d073258a6d1c8ff63a6d8
+Subproject commit 7aab3566e721c30ff5847a21051d5b5047176dc7