From e77bba1a42212ee96d078c3c3c2aa01c38befb84 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Tue, 21 Jul 2020 22:32:50 +0200
Subject: [PATCH] Update linpng submodule to fix a build problem under iOS

See https://github.com/wxWidgets/libpng/pull/1
---
 src/png | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/png b/src/png
index 46b17e804b..3ffeff7877 160000
--- a/src/png
+++ b/src/png
@@ -1 +1 @@
-Subproject commit 46b17e804bcab3729f69993c8dc2d1f1b15cc780
+Subproject commit 3ffeff7877598d3236cc09a6d3f478073eb33f35