From d1c858fc3383e575466052ce8b15e867d2009664 Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <dismine@gmail.com>
Date: Mon, 9 Mar 2020 20:57:11 +0200
Subject: [PATCH] Fix build.

---
 src/app/valentina/dialogs/dialoghistory.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/app/valentina/dialogs/dialoghistory.cpp b/src/app/valentina/dialogs/dialoghistory.cpp
index 9e791ca62..ec6c1ce22 100644
--- a/src/app/valentina/dialogs/dialoghistory.cpp
+++ b/src/app/valentina/dialogs/dialoghistory.cpp
@@ -43,6 +43,7 @@
 
 #include <QDebug>
 #include <QtConcurrent>
+#include <functional>
 
 //---------------------------------------------------------------------------------------------------------------------
 /**