Add support to new fields in command_ack

src/modules/uavcan/uavcan_servers.cpp

@@ -536,8 +536,13 @@ pthread_addr_t UavcanServers::run(pthread_addr_t)
 			// Acknowledge the received command
 			struct vehicle_command_ack_s ack = {
 				.timestamp = 0,
+				.result_param2 = 0,
 				.command = cmd.command,
-				.result = cmd_ack_result
+				.result = cmd_ack_result,
+				.from_external = 0,
+				.result_param1 = 0,
+				.target_system = cmd.source_system,
+				.target_component = cmd.source_component
 			};
 
 			if (_command_ack_pub == nullptr) {