From d703377a0aab6030065ade7707129857a9a0f0ca Mon Sep 17 00:00:00 2001
From: Konstantinos Sideris <sideris.konstantin@gmail.com>
Date: Sun, 4 Mar 2018 16:12:28 +0200
Subject: [PATCH] Add missing header

---
 include/MainWindow.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/MainWindow.h b/include/MainWindow.h
index 0c2587e1..e3a5e19d 100644
--- a/include/MainWindow.h
+++ b/include/MainWindow.h
@@ -17,6 +17,8 @@
 
 #pragma once
 
+#include <functional>
+
 #include <QMainWindow>
 #include <QSharedPointer>
 #include <QStackedWidget>