missing stopEvent() call for mouse down in _HasDropDown, fixes #12517 on trunk/ !strict                                                                   
missing stopEvent() call for mouse down in _HasDropDown, fixes #12517 on trunk/ !strict
                                                                  


git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@24131 560b804f-0ae3-0310-86f3-f6aa0a117693

kitsonk/delite,Sam-Cummins/delite,harbalk/delite,kitsonk/delite,harbalk/delite,Sam-Cummins/delite