[commit: ghc] ghc-8.0: Bump haddock submodule (412e22c)

[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/412e22caecf742be2d6c4acedf621c7520d6e900/ghc

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

commit 412e22caecf742be2d6c4acedf621c7520d6e900
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Wed May 11 23:16:46 2016 +0200

    Bump haddock submodule
    
    Ensures that haddock documentation is built as part of the `all` target.


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412e22caecf742be2d6c4acedf621c7520d6e900
 utils/haddock | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/haddock b/utils/haddock
index 48521cf..48c63a3 160000
--- a/utils/haddock
+++ b/utils/haddock
@@ -1 +1 @@
-Subproject commit 48521cfd5ed96dd9e07f76b1c1c86fcc991867a2
+Subproject commit 48c63a3a4cd912aedc58b37ea8007c38c55e28ca