Add ifdefs to disable assertion in connection_ap_handshake_send_begin

src/or/connection_edge.c

@@ -2461,7 +2461,9 @@ connection_ap_handshake_send_begin(entry_connection_t *ap_conn)
   begin_type = ap_conn->use_begindir ?
                  RELAY_COMMAND_BEGIN_DIR : RELAY_COMMAND_BEGIN;
   if (begin_type == RELAY_COMMAND_BEGIN) {
+#ifndef NON_ANONYMOUS_MODE_ENABLED
     tor_assert(circ->build_state->onehop_tunnel == 0);
+#endif
   }
 
   if (connection_edge_send_command(edge_conn, begin_type,