Fix build without features.shortcut

Change-Id: I5b0d3b169c7adb3ee340df7b593f84167f1ccc0c
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

src/corelib/kernel/qcoreevent.h

@@ -323,7 +323,9 @@ private:
     friend class QCoreApplicationPrivate;
     friend class QThreadData;
     friend class QApplication;
+#if QT_CONFIG(shortcut)
     friend class QShortcutMap;
+#endif
     friend class QGraphicsView;
     friend class QGraphicsScene;
     friend class QGraphicsScenePrivate;

src/widgets/kernel/qaction_widgets.cpp

@@ -75,10 +75,12 @@ void QtWidgetsActionPrivate::destroy()
     }
 }
 
+#if QT_CONFIG(shortcut)
 QShortcutMap::ContextMatcher QtWidgetsActionPrivate::contextMatcher() const
 {
     return qWidgetShortcutContextMatcher;
 }
+#endif
 
 #if QT_CONFIG(menu)
 QObject *QtWidgetsActionPrivate::menu() const