[commit: ghc] ghc-8.2: Bump Win32 submodule to 2.5.4.1 (aca1916)

[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/aca1916d0060ff9e23ac004f6459859d68af6c36/ghc

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

commit aca1916d0060ff9e23ac004f6459859d68af6c36
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Wed Jul 19 18:11:40 2017 -0400

    Bump Win32 submodule to 2.5.4.1


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

aca1916d0060ff9e23ac004f6459859d68af6c36
 libraries/Win32 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Win32 b/libraries/Win32
index b5ebb64..147a0af 160000
--- a/libraries/Win32
+++ b/libraries/Win32
@@ -1 +1 @@
-Subproject commit b5ebb64894cf166f9ee84ee91802486c76e480cf
+Subproject commit 147a0af92ac74ec58b209e16aeb1cf03bddf9482