changed return type of wxCommandEvent::GetClientObject() to wxClientData * from void * and documented it (patch 918655)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26823 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/event.h

@@ -502,7 +502,7 @@ public:
 
     // Set/Get client object from controls
     void SetClientObject(wxClientData* clientObject) { m_clientObject = clientObject; }
-    void *GetClientObject() const { return m_clientObject; }
+    wxClientData *GetClientObject() const { return m_clientObject; }
 
     // Get listbox selection if single-choice
     int GetSelection() const { return m_commandInt; }