Added private operator= for CMapIdFilter to get the code to compile with Visual Studio.



git-svn-id: http://sfntly.googlecode.com/svn/trunk/cpp/src@79 672e30a5-4c29-85ac-ac6d-611c735e0a51
diff --git a/sfntly/table/core/cmap_table.h b/sfntly/table/core/cmap_table.h
index bfd69aa..6287642 100644
--- a/sfntly/table/core/cmap_table.h
+++ b/sfntly/table/core/cmap_table.h
@@ -87,6 +87,7 @@
     ~CMapIdFilter() {}
     virtual bool accept(const CMapId& cmap_id) const;
    private:
+    CMapIdFilter& operator=(const CMapIdFilter& that);
     const CMapId wanted_id_;
     const CMapIdComparator *comparator_;
   };