[commit: ghc] ghc-8.2: Update haddock submodule (7d73ec6)

[git at git.haskell.org]

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

On branch  : ghc-8.2
Link       : http://ghc.haskell.org/trac/ghc/changeset/7d73ec674e1a420a4ffa0a62f59e2609d9e4dec6/ghc

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commit 7d73ec674e1a420a4ffa0a62f59e2609d9e4dec6
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Sun Apr 23 09:49:33 2017 -0400

    Update haddock submodule


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7d73ec674e1a420a4ffa0a62f59e2609d9e4dec6
 utils/haddock | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/haddock b/utils/haddock
index 0567d93..7ec72d3 160000
--- a/utils/haddock
+++ b/utils/haddock
@@ -1 +1 @@
-Subproject commit 0567d936e02dcbc41c62b4dd63c7aaafc3383844
+Subproject commit 7ec72d3ad81657f5a5298ac1465229fa7cafb35c