[commit: ghc] master: Update Cabal submodule to latest 1.22 branch tip (c2fd51b)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/c2fd51b553ddf43d0d1fbb6e7b93626754a8c19f/ghc

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

commit c2fd51b553ddf43d0d1fbb6e7b93626754a8c19f
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Fri Dec 19 21:37:58 2014 +0100

    Update Cabal submodule to latest 1.22 branch tip


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

c2fd51b553ddf43d0d1fbb6e7b93626754a8c19f
 libraries/Cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Cabal b/libraries/Cabal
index 4aabb4f..d920a43 160000
--- a/libraries/Cabal
+++ b/libraries/Cabal
@@ -1 +1 @@
-Subproject commit 4aabb4f4b1c7fb6446ce619ddfdfa0d19516c721
+Subproject commit d920a43faba148ef63dff4d4a748ac5343380465