added wxEventLoop::DispatchTimeout()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57571 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dfb/evtloop.h

@@ -27,6 +27,7 @@ public:
 
     virtual bool Pending() const;
     virtual bool Dispatch();
+    virtual int DispatchTimeout(unsigned long timeout);
 
     // returns DirectFB event buffer used by wx
     static wxIDirectFBEventBufferPtr GetDirectFBEventBuffer();