[commit: ghc] master: Update xhtml submodule (4a835f0)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/4a835f0890b4848b32129ab11ceb29cb0a0769f6/ghc

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

commit 4a835f0890b4848b32129ab11ceb29cb0a0769f6
Author: Erik de Castro Lopo <erikd at mega-nerd.com>
Date:   Tue Nov 15 22:00:13 2016 -0500

    Update xhtml submodule
    
    Test Plan: validate
    
    Reviewers: hvr, austin, Phyx, bgamari
    
    Reviewed By: bgamari
    
    Subscribers: thomie
    
    Differential Revision: https://phabricator.haskell.org/D2701


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

4a835f0890b4848b32129ab11ceb29cb0a0769f6
 libraries/xhtml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/xhtml b/libraries/xhtml
index fb9e0bb..45e5cb8 160000
--- a/libraries/xhtml
+++ b/libraries/xhtml
@@ -1 +1 @@
-Subproject commit fb9e0bbb69e15873682a9f25d39652099a3ccac1
+Subproject commit 45e5cb820a129780407bc37968364e4f64174f7d