[commit: ghc] master: Bump Cabal submodule (a2a67b7)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/a2a67b77c3048713541d1ed96ec0b95fb2542f9a/ghc

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

commit a2a67b77c3048713541d1ed96ec0b95fb2542f9a
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Fri Jan 20 10:30:04 2017 -0500

    Bump Cabal submodule


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

a2a67b77c3048713541d1ed96ec0b95fb2542f9a
 libraries/Cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Cabal b/libraries/Cabal
index 09865f6..7502659 160000
--- a/libraries/Cabal
+++ b/libraries/Cabal
@@ -1 +1 @@
-Subproject commit 09865f60caa55a7b02880f2a779c9dd8e1be5ac0
+Subproject commit 7502659b7684e057047c68886df9c061645992c6