QApplication: fix crash exit whith native windows

Regression introduced in 8dd8db250d92521fda619bdcf3e1c859b37b2da0
Patch comes from the task

Task-number: QTBUG-15774

2 files changed, 4 insertions, 3 deletions

diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index a4ae46b..b4ff7c4 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -1101,6 +1101,9 @@ QApplication::~QApplication()
     QApplicationPrivate::is_app_closing = true;
     QApplicationPrivate::is_app_running = false;
 
+    delete QWidgetPrivate::mapper;
+    QWidgetPrivate::mapper = 0;
+
     // delete all widgets
     if (QWidgetPrivate::allWidgets) {
         QWidgetSet *mySet = QWidgetPrivate::allWidgets;
@@ -1130,9 +1133,6 @@ QApplication::~QApplication()
     delete d->ignore_cursor; d->ignore_cursor = 0;
 #endif
 
-    delete QWidgetPrivate::mapper;
-    QWidgetPrivate::mapper = 0;
-
     delete QApplicationPrivate::app_pal;
     QApplicationPrivate::app_pal = 0;
     delete QApplicationPrivate::sys_pal;
diff --git a/tests/auto/qapplication/modal/main.cpp b/tests/auto/qapplication/modal/main.cpp
index f9d8fb4..3eaaa0d 100644
--- a/tests/auto/qapplication/modal/main.cpp
+++ b/tests/auto/qapplication/modal/main.cpp
@@ -47,6 +47,7 @@
 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
+    QApplication::setAttribute(Qt::AA_NativeWindows); //QTBUG-15774
     base *b = new base();
     return app.exec();
 }