Updated optical_flow to work with normalized PWM.

quad/src/quad_app/quad_app.c

@@ -115,7 +115,7 @@ int quad_main(int (*setup_hardware)(hardware_t *hardware_struct))
 		timer_end_loop(&(structs.log_struct));
 
 		if (iic_get_consecutive_gam_timeout_failures() > 10) {
-			kill_motors(&(structs.hardware_struct.pwm_outputs));
+			kill_motors(&(structs.hardware_struct.motors));
 			printLogging(&structs.hardware_struct, &(structs.log_struct), &(structs.parameter_struct));
 			break;
 		}