Updates for tooltip support

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16103 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/os2/timer.h

@@ -29,6 +29,7 @@ public:
         { Init(); }
     ~wxTimer();
 
+    virtual void Notify(void);
     virtual bool Start( int  nMilliseconds = -1
                        ,bool bOneShot = FALSE
                       );