Modified inheritance for geom_traits, cw, ccw, tds, and neighbor_translation

Periodic_4_hyperbolic_triangulation_2/include/CGAL/Periodic_4_hyperbolic_Delaunay_triangulation_2.h

@@ -108,9 +108,6 @@ public:
   // Tag to distinguish periodic triangulations from others
   typedef Tag_true                                                  Periodic_tag;
 
-private:
-  typedef typename GT::FT                                           FT;
-
 #ifndef CGAL_CFG_USING_BASE_MEMBER_BUG_2
   using Base::cw;
   using Base::ccw;
@@ -119,6 +116,9 @@ private:
   using Base::neighbor_translation;
 #endif
 
+private:
+  typedef typename GT::FT                                           FT;
+
   class Dummy_point
   {
     Point _pt;