[commit: ghc] ghc-8.2: Bump Cabal submodule (4e676be)

[git at git.haskell.org]

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

On branch  : ghc-8.2
Link       : http://ghc.haskell.org/trac/ghc/changeset/4e676beb5633a32b76b7a7454075b7a87fb7a493/ghc

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

commit 4e676beb5633a32b76b7a7454075b7a87fb7a493
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Sun Apr 30 19:14:33 2017 -0400

    Bump Cabal submodule


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

4e676beb5633a32b76b7a7454075b7a87fb7a493
 libraries/Cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Cabal b/libraries/Cabal
index 41f416b..b399b57 160000
--- a/libraries/Cabal
+++ b/libraries/Cabal
@@ -1 +1 @@
-Subproject commit 41f416bc27796a3dc87037b66b6fef6f5810bc77
+Subproject commit b399b57bdfc0e3691148b441920298dd7ce28520