Reset the controller also when non-blocking read is used

I don't see a reason why this should not happen there, as well.

Author: Felix Exner

ur_robot_driver/src/ros/hardware_interface.cpp

@@ -464,9 +464,9 @@ void HardwareInterface::read(const ros::Time& time, const ros::Duration& period)
   }
   else
   {
+    controller_reset_necessary_ = true;
     if (!non_blocking_read_)
     {
-      controller_reset_necessary_ = true;
       ROS_ERROR("Could not get fresh data package from robot");
     }
   }