Minor tweak (up-ported from 2.2.9) to make

flat toolbars look slightly better even
    without rebar controls underneath.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14879 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/frame.cpp

@@ -495,6 +495,8 @@ void wxFrame::PositionToolBar()
         else
         {
             tw = width;
+            if ( toolbar->GetWindowStyleFlag() & wxTB_FLAT )
+                th -= 3;
         }
 
         // use the 'real' MSW position here, don't offset relativly to the