From 451a42f0d21c5a402d455c78d63eeaaa139e56cc Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Mon, 7 Feb 2022 13:09:56 +0100
Subject: [PATCH] qt: Fix build for older Qt versions.

* lang/qt/src/util.cpp: Include <functional>.
---
 lang/qt/src/util.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lang/qt/src/util.cpp b/lang/qt/src/util.cpp
index 9487b7b3..3d10e2fe 100644
--- a/lang/qt/src/util.cpp
+++ b/lang/qt/src/util.cpp
@@ -34,6 +34,7 @@
 #include "util.h"
 
 #include <QStringList>
+#include <functional>
 
 std::vector<std::string> toStrings(const QStringList &l)
 {