added DoSetNativeFontInfo() to avoid virtual function hiding

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19194 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/os2/font.h

@@ -102,7 +102,6 @@ public:
     virtual void SetFaceName(const wxString& rsFaceName);
     virtual void SetUnderlined(bool bUnderlined);
     virtual void SetEncoding(wxFontEncoding vEncoding);
-    virtual void SetNativeFontInfo(const wxNativeFontInfo& rInfo);
 
     //
     // For internal use only!
@@ -121,7 +120,10 @@ public:
     virtual bool     FreeResource(bool bForce = FALSE);
 
     WXHFONT GetHFONT(void) const;
+
 protected:
+    virtual void DoSetNativeFontInfo(const wxNativeFontInfo& rInfo);
+
     //
     // Common part of all ctors
     //