Multi-hop REQ/REP, part VIII., new blob_t type used for holding identity

src/zmq_engine.hpp

@@ -47,7 +47,7 @@ namespace zmq
         void plug (struct i_inout *inout_);
         void unplug ();
         void revive ();
-        void traceroute (unsigned char *identity_, size_t identity_size_);
+        void traceroute (const blob_t &identity_);
 
         //  i_poll_events interface implementation.
         void in_event ();