From ac8f8863c609f34b69d629ed72d6a234afeb11d5 Mon Sep 17 00:00:00 2001
From: Lode <lvandeve@gmail.com>
Date: Sun, 11 Sep 2016 14:12:51 +0200
Subject: include guards instead of pragma once

---
 lodepng_util.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lodepng_util.h b/lodepng_util.h
index e74bbb5..236ad46 100644
--- a/lodepng_util.h
+++ b/lodepng_util.h
@@ -27,12 +27,13 @@ freely, subject to the following restrictions:
 Extra C++ utilities for LodePNG, for convenience.
 */
 
+#ifndef LODEPNG_UTIL_H
+#define LODEPNG_UTIL_H
+
 #include <string>
 #include <vector>
 #include "lodepng.h"
 
-#pragma once
-
 namespace lodepng
 {
 
@@ -149,3 +150,5 @@ struct ZlibBlockInfo
 void extractZlibInfo(std::vector<ZlibBlockInfo>& zlibinfo, const std::vector<unsigned char>& in);
 
 } // namespace lodepng
+
+#endif /*LODEPNG_UTIL_H inclusion guard*/
-- 
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