[commit: ghc] ghc-8.0: Bump Cabal submodule (7f6a281)

[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/7f6a281a19ab7346d2bab865f26c40228cd05c16/ghc

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

commit 7f6a281a19ab7346d2bab865f26c40228cd05c16
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Wed Apr 6 21:49:47 2016 +0200

    Bump Cabal submodule


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

7f6a281a19ab7346d2bab865f26c40228cd05c16
 libraries/Cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Cabal b/libraries/Cabal
index 5d0c56e..cb855f3 160000
--- a/libraries/Cabal
+++ b/libraries/Cabal
@@ -1 +1 @@
-Subproject commit 5d0c56ec49e07516c26a62c1a261e890752bc16b
+Subproject commit cb855f34676ccdc2b0967a60ffe90b60ffeb1816