remove semicolon from wxDECLARE_EVENT; having it there was inconsistent with other wxXXX_EVENT macros and generally unexpected

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60137 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/event.h

@@ -3823,6 +3823,14 @@ wxEventType wxNewEventType();
     The class @a cls must be the wxEvent-derived class associated with the
     events of this type and its full declaration must be visible from the point
     of use of this macro.
+
+    For example:
+    @code
+    wxDECLARE_EVENT(MY_COMMAND_EVENT, wxCommandEvent);
+
+    class MyCustomEvent : public wxEvent { ... };
+    wxDECLARE_EVENT(MY_CUSTOM_EVENT, MyCustomEvent);
+    @endcode
  */
 #define wxDECLARE_EVENT(name, cls) \
         wxDECLARE_EXPORTED_EVENT(wxEMPTY_PARAMETER_VALUE, name, cls)