AP_UAVCAN: continue dna server setup even if unique id not received

libraries/AP_UAVCAN/AP_UAVCAN.cpp

@@ -186,7 +186,7 @@ void AP_UAVCAN::init(uint8_t driver_index)
 
     if (hal.util->get_system_id_unformatted(unique_id, uid_len)) {
         uavcan::copy(unique_id, unique_id + uid_len, hw_version.unique_id.begin());
-
+    }
     _node->setHardwareVersion(hw_version);
 
     int start_res = _node->start();
@@ -199,7 +199,6 @@ void AP_UAVCAN::init(uint8_t driver_index)
 #ifdef HAS_UAVCAN_SERVERS
     _servers.init(*_node);
 #endif
-    }
     // Roundup all subscribers from supported drivers
     AP_GPS_UAVCAN::subscribe_msgs(this);
     AP_Compass_UAVCAN::subscribe_msgs(this);