From df1be4aeb989d53ae7e3dd875c07516e1844eb7d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20T=C5=AFma?= <tumic@cbox.cz>
Date: Tue, 4 Feb 2020 23:03:50 +0100
Subject: [PATCH] Added missing reference

---
 src/map/imgmap.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/map/imgmap.cpp b/src/map/imgmap.cpp
index b71b2be6..c838cf4e 100644
--- a/src/map/imgmap.cpp
+++ b/src/map/imgmap.cpp
@@ -201,7 +201,7 @@ static qreal area(const QVector<QPointF> &polygon)
    return area;
 }
 
-static QPointF centroid(const QVector<QPointF> polygon)
+static QPointF centroid(const QVector<QPointF> &polygon)
 {
 	qreal cx = 0, cy = 0;
 	qreal factor = 1.0 / (6.0 * area(polygon));