correcting DoGetPosition for windows with borders

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33066 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/window.cpp

@@ -1213,10 +1213,14 @@ void wxWindowMac::DoGetPosition(int *x, int *y) const
 {
     Rect bounds ;
     m_peer->GetRect( &bounds ) ;
-
+    
     int x1 = bounds.left ;
     int y1 = bounds.top ;
 
+    // get the wx window position from the native one
+    x1 -= MacGetLeftBorderSize() ;
+    y1 -= MacGetTopBorderSize() ;
+
     if ( !IsTopLevel() )
     {
         wxWindow *parent = GetParent();