AP_MotorsOcta - V Frame - test order fix spotted by David Wiens

libraries/AP_Motors/AP_MotorsOcta.cpp

@@ -33,7 +33,7 @@ void AP_MotorsOcta::setup_motors()
 		add_motor_raw(AP_MOTORS_MOT_1,  1.0,  0.34, AP_MOTORS_MATRIX_MOTOR_CW,  AP_MOTORS_MOT_2, 7);
 		add_motor_raw(AP_MOTORS_MOT_2, -1.0, -0.32, AP_MOTORS_MATRIX_MOTOR_CW,  AP_MOTORS_MOT_1, 3);
 		add_motor_raw(AP_MOTORS_MOT_3,  1.0, -0.32, AP_MOTORS_MATRIX_MOTOR_CCW, AP_MOTORS_MOT_6, 6);
-		add_motor_raw(AP_MOTORS_MOT_4, -0.5,  -1.0, AP_MOTORS_MATRIX_MOTOR_CCW, AP_MOTORS_MOT_5, 8);
+		add_motor_raw(AP_MOTORS_MOT_4, -0.5,  -1.0, AP_MOTORS_MATRIX_MOTOR_CCW, AP_MOTORS_MOT_5, 4);
 		add_motor_raw(AP_MOTORS_MOT_5,  1.0,   1.0, AP_MOTORS_MATRIX_MOTOR_CCW, AP_MOTORS_MOT_4, 8);
 		add_motor_raw(AP_MOTORS_MOT_6, -1.0,  0.34, AP_MOTORS_MATRIX_MOTOR_CCW, AP_MOTORS_MOT_3, 2);
 		add_motor_raw(AP_MOTORS_MOT_7, -1.0,   1.0, AP_MOTORS_MATRIX_MOTOR_CW,  AP_MOTORS_MOT_8, 1);