From e07b97ec90a1087892c917414b8f07423f93b3a3 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Tue, 21 Mar 2017 17:41:22 +0100
Subject: [PATCH] Qt5OpenGL: add missing header for macOS/Linux builds

---
 src/Gui/View3DInventor.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Gui/View3DInventor.cpp b/src/Gui/View3DInventor.cpp
index 9e1f84a5a6..5b3ed1d8e6 100644
--- a/src/Gui/View3DInventor.cpp
+++ b/src/Gui/View3DInventor.cpp
@@ -32,6 +32,7 @@
 # include <QDropEvent>
 # include <QDragEnterEvent>
 # include <QFileDialog>
+# include <QMdiSubWindow>
 # include <QMessageBox>
 # include <QPainter>
 # include <QPrinter>