From 760bd1bf4ed2f04b973bfbd3879ba885db25467a Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Mon, 13 Nov 2017 22:12:24 +0100
Subject: [PATCH] Update png submodule to avoid -Wundef warnings

---
 src/png | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/png b/src/png
index 8129d71d80..d532334ef5 160000
--- a/src/png
+++ b/src/png
@@ -1 +1 @@
-Subproject commit 8129d71d80d1274b62949b07c4f2aef728c20fd9
+Subproject commit d532334ef514e9625559e76c83119d317ca790f3