Use QApplication because of QFileSystemModel

examples/customdelegate/main.cpp

@@ -26,12 +26,13 @@
 ****************************************************************************/
 
 #include <QtGui>
+#include <QtWidgets/QApplication>
 #include <QtQml>
 #include <QtQuick>
 #include <QFileSystemModel>
 
 int main(int argc, char **argv){
-    QGuiApplication app(argc, argv);
+    QApplication app(argc, argv);
 
     QFileSystemModel model;
     model.setRootPath("/");

examples/standard/main.cpp

@@ -26,12 +26,13 @@
 ****************************************************************************/
 
 #include <QtGui>
+#include <QtWidgets/QApplication>
 #include <QtQml>
 #include <QtQuick>
 #include <QFileSystemModel>
 
 int main(int argc, char **argv){
-    QGuiApplication app(argc, argv);
+    QApplication app(argc, argv);
 
     QFileSystemModel model;
     model.setRootPath("/");