Remove calls to a couple of deprecated methods, fix wxMotif build with

GCC 3.2, remove deprecated (and unused) fstream.h.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18778 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/tabg.h

@@ -103,7 +103,7 @@ public:
   wxTabView(long style = wxTAB_STYLE_DRAW_BOX | wxTAB_STYLE_COLOUR_INTERIOR);
   ~wxTabView();
 
-  inline int GetNumberOfLayers() const { return m_layers.Number(); }
+  inline int GetNumberOfLayers() const { return m_layers.GetCount(); }
   inline wxList& GetLayers() { return m_layers; }
 
   inline void SetWindow(wxWindow* wnd) { m_window = wnd; }