[commit: ghc] ghc-8.6: Bump deepseq submodule (c4209ba)

[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/c4209ba8a448b501a11d66640d280fe1e194f847/ghc

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commit c4209ba8a448b501a11d66640d280fe1e194f847
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Sun Sep 16 16:56:16 2018 -0400

    Bump deepseq submodule


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c4209ba8a448b501a11d66640d280fe1e194f847
 libraries/deepseq | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/deepseq b/libraries/deepseq
index fe94780..4f03181 160000
--- a/libraries/deepseq
+++ b/libraries/deepseq
@@ -1 +1 @@
-Subproject commit fe94780b629b27969c5e8965e6e6ccde564ece61
+Subproject commit 4f031810fc0eaf5ba12d805ff8df7f15e561e407