revert unnecessary change

Author: urfeex

include/ur_client_library/ur/ur_driver.h

@@ -880,12 +880,9 @@ class UrDriver
     secondary_stream_->close();
   }
 
-protected:
+private:
   void init(const UrDriverConfiguration& config);
 
-  std::unique_ptr<comm::URStream<primary_interface::PrimaryPackage>> primary_stream_;
-  std::unique_ptr<comm::URStream<primary_interface::PrimaryPackage>> secondary_stream_;
-
   /*!
    * \brief Reconnects the secondary stream used to send program to the robot.
    *
@@ -905,6 +902,8 @@ class UrDriver
   std::unique_ptr<control::TrajectoryPointInterface> trajectory_interface_;
   std::unique_ptr<control::ScriptCommandInterface> script_command_interface_;
   std::unique_ptr<control::ScriptSender> script_sender_;
+  std::unique_ptr<comm::URStream<primary_interface::PrimaryPackage>> primary_stream_;
+  std::unique_ptr<comm::URStream<primary_interface::PrimaryPackage>> secondary_stream_;
 
   size_t socket_connection_attempts_ = 0;
   std::chrono::milliseconds socket_reconnection_timeout_ = std::chrono::milliseconds(10000);