[commit: ghc] master: Bump haddock submodule (890f646)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/890f6468eb3594e75ea8d08424e9eecb7ab48ecb/ghc

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

commit 890f6468eb3594e75ea8d08424e9eecb7ab48ecb
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Fri Jul 27 11:40:30 2018 -0400

    Bump haddock submodule


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890f6468eb3594e75ea8d08424e9eecb7ab48ecb
 utils/haddock | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/haddock b/utils/haddock
index e3926b5..612f44f 160000
--- a/utils/haddock
+++ b/utils/haddock
@@ -1 +1 @@
-Subproject commit e3926b50ab8a7269fd6904b06e881745f08bc5d6
+Subproject commit 612f44f9a582b1f7c8a9ba709651bce83692b60b