From 73ffe67feba205cd61d39887764f09b39e6de867 Mon Sep 17 00:00:00 2001
From: Maxime Gimeno <maxime.gimeno@gmail.com>
Date: Tue, 7 Jan 2020 09:29:16 +0100
Subject: [PATCH] Add missing header

---
 Polyhedron/demo/Polyhedron/Viewer.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Polyhedron/demo/Polyhedron/Viewer.cpp b/Polyhedron/demo/Polyhedron/Viewer.cpp
index a1779cefa28..ec6f374323c 100644
--- a/Polyhedron/demo/Polyhedron/Viewer.cpp
+++ b/Polyhedron/demo/Polyhedron/Viewer.cpp
@@ -17,6 +17,7 @@
 #include <QOpenGLDebugLogger>
 #include <QStyleFactory>
 #include <QAction>
+#include <QRegularExpressionMatch>
 #ifdef CGAL_USE_WEBSOCKETS
 #include <QtWebSockets/QWebSocket>
 #endif