[commit: ghc] master: Update Cabal submodule (89d70f9)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/89d70f9fe1ea989887cc73de2b71c7701c257e7a/ghc

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

commit 89d70f9fe1ea989887cc73de2b71c7701c257e7a
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Thu Dec 17 13:41:09 2015 +0100

    Update Cabal submodule
    
    Previously it didn't build on Windows.


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89d70f9fe1ea989887cc73de2b71c7701c257e7a
 libraries/Cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Cabal b/libraries/Cabal
index 4e33454..e275a16 160000
--- a/libraries/Cabal
+++ b/libraries/Cabal
@@ -1 +1 @@
-Subproject commit 4e33454f5566c1ad3339c4bdf7444dff6c8fc21f
+Subproject commit e275a162ccac087f8b25b424551e8a1598dd5943