From 41e9f0c71afb015e4a0af1cb46a010f3f688f4bd Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <dismine@gmail.com>
Date: Fri, 4 Jun 2021 11:45:21 +0300
Subject: [PATCH] Fix build.

---
 src/app/puzzle/xml/vplayoutfilewriter.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/app/puzzle/xml/vplayoutfilewriter.h b/src/app/puzzle/xml/vplayoutfilewriter.h
index 04cb8e323..3e362a788 100644
--- a/src/app/puzzle/xml/vplayoutfilewriter.h
+++ b/src/app/puzzle/xml/vplayoutfilewriter.h
@@ -32,6 +32,7 @@
 #include <QLocale>
 #include <QXmlStreamWriter>
 #include <QCoreApplication>
+#include <functional>
 
 #include "../vmisc/literals.h"