From 994a749b80be96d3c9cefa9cab17e000fb91a5d5 Mon Sep 17 00:00:00 2001
From: malte_langkabel <malte.langkabel@gmail.com>
Date: Wed, 24 Aug 2016 11:38:09 +0200
Subject: [PATCH] build: added missing include

* added missing include for indexing UI feature
---
 src/lib_gui/qt/window/QtIndexingDialog.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib_gui/qt/window/QtIndexingDialog.h b/src/lib_gui/qt/window/QtIndexingDialog.h
index 3708f11f..124c6129 100644
--- a/src/lib_gui/qt/window/QtIndexingDialog.h
+++ b/src/lib_gui/qt/window/QtIndexingDialog.h
@@ -1,6 +1,8 @@
 #ifndef QT_INDEXING_WIZARD_WINDOW_H
 #define QT_INDEXING_WIZARD_WINDOW_H
 
+#include <functional>
+
 #include "qt/window/QtWindow.h"
 
 class QLabel;