Add temp var aliases

src/battle_factory.c

@@ -269,7 +269,7 @@ static void SetBattleFactoryData(void)
 static void SaveFactoryChallenge(void)
 {
     gSaveBlock2Ptr->frontier.challengeStatus = gSpecialVar_0x8005;
-    VarSet(VAR_TEMP_0, 0);
+    VarSet(VAR_TEMP_CHALLENGE_STATUS, 0);
     gSaveBlock2Ptr->frontier.challengePaused = TRUE;
     SaveGameFrontier();
 }