From 9840a780a45c864b9245365edd9fb7c7881403d6 Mon Sep 17 00:00:00 2001
From: Project Nayuki <me@nayuki.io>
Date: Fri, 5 May 2017 20:57:38 +0000
Subject: [PATCH] Added missing #include for QrCode.cpp due to the use of
 std::abs().

---
 cpp/QrCode.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpp/QrCode.cpp b/cpp/QrCode.cpp
index aca04b0..4ed4153 100644
--- a/cpp/QrCode.cpp
+++ b/cpp/QrCode.cpp
@@ -24,6 +24,7 @@
 #include <algorithm>
 #include <climits>
 #include <cstddef>
+#include <cstdlib>
 #include <sstream>
 #include "BitBuffer.hpp"
 #include "QrCode.hpp"