Applied [ 651649 ] Scrollbar not updated without resizing

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@18590 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/scrlwing.cpp

@@ -361,9 +361,15 @@ void wxScrollHelper::SetScrollbars(int pixelsPerUnitX,
     if (do_refresh && !noRefresh)
         m_targetWindow->Refresh(TRUE, GetRect());
 
+    // TODO: check if we can use AdjustScrollbars always.
+#ifdef __WXUNIVERSAL__
+    AdjustScrollbars();
+#else    
+    // This is also done by AdjustScrollbars, above
 #ifdef __WXMAC__
     m_targetWindow->MacUpdateImmediately() ;
 #endif
+#endif
 }
 
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