[commit: ghc] wip/T14880-baseline: Upgrade haddock submodule to avoid bug (4887050)

[git at git.haskell.org]

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

On branch  : wip/T14880-baseline
Link       : http://ghc.haskell.org/trac/ghc/changeset/4887050fa8073b4ed5c1980b5b41cb0f91689b54/ghc

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commit 4887050fa8073b4ed5c1980b5b41cb0f91689b54
Author: Tobias Dammers <tdammers at gmail.com>
Date:   Wed Aug 1 16:59:44 2018 +0200

    Upgrade haddock submodule to avoid bug


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4887050fa8073b4ed5c1980b5b41cb0f91689b54
 utils/haddock | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/haddock b/utils/haddock
index 0d903e5..0731855 160000
--- a/utils/haddock
+++ b/utils/haddock
@@ -1 +1 @@
-Subproject commit 0d903e5e7ea877cbf6e8a7a84c9c8b6ef8c78ef6
+Subproject commit 0731855bd1c05379a91a3d761458b05c2d75b6d9