[commit: ghc] ghc-8.4: Bump Cabal submodule to 2.2.0.1 (a356469)

[git at git.haskell.org]

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

On branch  : ghc-8.4
Link       : http://ghc.haskell.org/trac/ghc/changeset/a356469c0434e768502605d8313a80c4b1bb7f7c/ghc

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

commit a356469c0434e768502605d8313a80c4b1bb7f7c
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Wed Mar 28 13:13:36 2018 -0400

    Bump Cabal submodule to 2.2.0.1


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

a356469c0434e768502605d8313a80c4b1bb7f7c
 libraries/Cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Cabal b/libraries/Cabal
index ccd0c59..cc92108 160000
--- a/libraries/Cabal
+++ b/libraries/Cabal
@@ -1 +1 @@
-Subproject commit ccd0c59bec88b179c06b65df3247d8664b38e44e
+Subproject commit cc9210818ee674cd6eed42e7cdcafd710da4b64b