a couple of more left over Borland unused variable/code warnings fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56466 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/frame.cpp

@@ -658,7 +658,7 @@ void wxFrame::PositionToolBar()
         toolbar->GetPosition( &tx, &ty );
         toolbar->GetSize( &tw, &th );
 
-        int x = 0, y = 0;
+        int x, y;
         if ( toolbar->HasFlag(wxTB_BOTTOM) )
         {
             x = 0;