[commit: ghc] ghc-8.6: Bump haddock submodule (334be77)

[git at git.haskell.org]

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

On branch  : ghc-8.6
Link       : http://ghc.haskell.org/trac/ghc/changeset/334be779756a54028c5b83cd89c4665e946c65ea/ghc

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commit 334be779756a54028c5b83cd89c4665e946c65ea
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Wed Oct 17 11:19:53 2018 -0400

    Bump haddock submodule


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334be779756a54028c5b83cd89c4665e946c65ea
 utils/haddock | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/haddock b/utils/haddock
index 3902a80..15b62fc 160000
--- a/utils/haddock
+++ b/utils/haddock
@@ -1 +1 @@
-Subproject commit 3902a807acf4bccf5cd01d2115bed10d57316661
+Subproject commit 15b62fc13e50470aa396bb7fc6f0143ce14492fe