fix build

modules/MegaTec/megatec.c

@@ -1218,7 +1218,7 @@ void request_task(void *params)
                     }
                 }
             }
-#if CHECK_LOAD_ENABLE
+#ifdef CHECK_LOAD_ENABLE
             xTimerStart(AutoTestTimer, 0);
             xTimerChangePeriod(AutoTestTimer, 60*configTICK_RATE_HZ, 0);
 #endif
@@ -1338,7 +1338,7 @@ void ups_megatec_init(void)
     xTaskCreate(akb_time_work_task, ( char * ) "akb_time_work_task", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY,
         NULL);
     UPSRestoreTimer = xTimerCreate("UPSRestoreTmr", configTICK_RATE_HZ*30, pdFALSE, ( void * ) 0, UPSRestoreCallback);
-#if CHECK_LOAD_ENABLE
+#ifdef CHECK_LOAD_ENABLE
     AutoTestTimer = xTimerCreate("AutoTestTmr", configTICK_RATE_HZ*PERIOD_AUTO_TEST, pdTRUE, ( void * ) 0, AutoTestCallback);
 #endif
 }