Updated value-setting of gMain.inBattle at OpponentHandleEndLinkBattle

src/battle_controller_opponent.c

@@ -2007,7 +2007,7 @@ static void OpponentHandleEndLinkBattle(void)
 {
     if (gBattleTypeFlags & BATTLE_TYPE_LINK && !(gBattleTypeFlags & BATTLE_TYPE_IS_MASTER))
     {
-        gMain.inBattle = 0;
+        gMain.inBattle = FALSE;
         gMain.callback1 = gPreBattleCallback1;
         SetMainCallback2(gMain.savedCallback);
     }