Fix compilation error of qcursor_qpa.cpp with QT_NO_CURSOR.

ChangeId Ia69f37343f95772e934eab1cd806bd54cbdbbe51 added two new
methods to QCursor but didn't update the fake cursor.

Qt5's build still fails with QT_NO_CURSOR somewhere in
QT_METATYPE_INTERFACE_INIT(Type), but that's another story.

Change-Id: Ib0c706faf78e547d93a1128085e440fe5d1a5e9b
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/gui/kernel/qcursor.h

@@ -62,7 +62,9 @@ class Q_GUI_EXPORT QCursor
 {
 public:
     static QPoint pos();
+    static QPoint pos(const QScreen *screen);
     static void setPos(int x, int y);
+    static void setPos(QScreen *screen, int x, int y);
     inline static void setPos(const QPoint &p) { setPos(p.x(), p.y()); }
 private:
     QCursor();