Add missing Q_ENUMS macro to QInputPanel

Change-Id: I4e27013a06ea4fc9899a8a737e90d6792e6fb3a0
Reviewed-on: http://codereview.qt-project.org/5699
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Pekka Vuorela <pekka.ta.vuorela@nokia.com>
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>

src/gui/kernel/qinputpanel.h

@@ -65,6 +65,7 @@ class Q_GUI_EXPORT QInputPanel : public QObject
     Q_PROPERTY(bool visible READ visible WRITE setVisible NOTIFY visibleChanged)
     Q_PROPERTY(bool animating READ isAnimating NOTIFY animatingChanged)
 
+    Q_ENUMS(Action)
 public:
     QObject *inputItem() const;
     void setInputItem(QObject *inputItemChanged);