[commit: ghc] master: Point to FunDeps documentation on Haskell wiki (7c37ffe)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/7c37ffe8f0acd2f72e3d3aeeb517991fa7d45a16/ghc

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

commit 7c37ffe8f0acd2f72e3d3aeeb517991fa7d45a16
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Mon Aug 7 23:40:51 2017 -0400

    Point to FunDeps documentation on Haskell wiki


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

7c37ffe8f0acd2f72e3d3aeeb517991fa7d45a16
 docs/users_guide/glasgow_exts.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/users_guide/glasgow_exts.rst b/docs/users_guide/glasgow_exts.rst
index bc09402..378beb2 100644
--- a/docs/users_guide/glasgow_exts.rst
+++ b/docs/users_guide/glasgow_exts.rst
@@ -5407,8 +5407,8 @@ of a class declaration; e.g. ::
 
       class Foo a b c | a b -> c where ...
 
-There should be more documentation, but there isn't (yet). Yell if you
-need it.
+More documentation can be found in the `Haskell Wiki
+<https://wiki.haskell.org/Functional_dependencies>`_.
 
 .. [Jones2000]
     "`Type Classes with Functional