corrected GetCharWidth and implemented MacSuperChangedPosition for toolbars

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10372 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/toolbar.h

@@ -63,6 +63,7 @@ class WXDLLEXPORT wxToolBar: public wxToolBarBase
 	virtual wxString MacGetToolTipString( wxPoint &where ) ;
 	void OnPaint(wxPaintEvent& event) ;
 	void OnMouse(wxMouseEvent& event) ;
+	virtual void MacSuperChangedPosition() ;
 protected:
     // common part of all ctors
     void Init();