cpn: Not every InjectionPointHops calcs smart-hops

As the InjectionPoint is considered to be a container for abstract
"points in time" which can be navigated to, not every object of
a InjectionPointHops needs a smart-hopping calculator.

Change-Id: I150a46cf79a2b9d8ddb2d24a6d89dc3d4246cdb3

src/core/cpn/InjectionPoint.hpp

@@ -63,6 +63,9 @@ class InjectionPointHops : public InjectionPointBase {
 private:
 	SmartHops *m_sa;	// !< Hop calculator which generates the hop chain
 	uint32_t m_curr_inst;	// !< Instruction for which currently a hop chain is available
+	bool m_initialized;
+
+	void init();
 public:
 	InjectionPointHops();
 	virtual ~InjectionPointHops();