[commit: ghc] ghc-8.4: Bump pretty submodule (0c4d9e9)

[git at git.haskell.org]

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

On branch  : ghc-8.4
Link       : http://ghc.haskell.org/trac/ghc/changeset/0c4d9e98158d5ec4f9d9af3af02b1e3ba3ce63f1/ghc

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

commit 0c4d9e98158d5ec4f9d9af3af02b1e3ba3ce63f1
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Mon Jan 29 01:28:13 2018 -0500

    Bump pretty submodule


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

0c4d9e98158d5ec4f9d9af3af02b1e3ba3ce63f1
 libraries/pretty | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/pretty b/libraries/pretty
index 445e92d..c3a1469 160000
--- a/libraries/pretty
+++ b/libraries/pretty
@@ -1 +1 @@
-Subproject commit 445e92dd7508978caba5563c1e79b2758dff4767
+Subproject commit c3a1469306b35fa5d023dc570554f97f1a90435d