[commit: ghc] master: Update Cabal submodule to latest 1.22.0.1 snapshot (8464fa2)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/8464fa29e677e6845ca96d21474840803218f0b9/ghc

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commit 8464fa29e677e6845ca96d21474840803218f0b9
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Mon Jan 12 22:37:19 2015 +0100

    Update Cabal submodule to latest 1.22.0.1 snapshot
    
    Differential Revision: https://phabricator.haskell.org/D617


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8464fa29e677e6845ca96d21474840803218f0b9
 libraries/Cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Cabal b/libraries/Cabal
index 3a7f901..e4ea51c 160000
--- a/libraries/Cabal
+++ b/libraries/Cabal
@@ -1 +1 @@
-Subproject commit 3a7f9015828745932a65d95fa985c98073fc7d95
+Subproject commit e4ea51c3156c27b7dec40cb2733b8bfe37bca6a1