Missed break of switch-case added

Merge-request: 2642
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>

(cherry picked from commit 762a9ba066db3b31a4b3c0c2fc01d545b93348fc)

Change-Id: Iba88cf117d4e3dde4fe07bfdfb7e2af25aa25e8d
Reviewed-on: http://codereview.qt-project.org/4576
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>

src/gui/kernel/qcursor_win.cpp

@@ -477,6 +477,7 @@ void QCursorData::update()
         QPixmap pixmap = QApplicationPrivate::instance()->getPixmapCursor(cshape);
         hcurs = create32BitCursor(pixmap, hx, hy);
     }
+        break;
     default:
         qWarning("QCursor::update: Invalid cursor shape %d", cshape);
         return;