Fix Heaven's Drive damage (#4835)

* Fixes #4834.
* Fixes Heaven's Drive damage in renewal mode.
Thanks to @Latiosu!

src/map/battle.cpp

@@ -6233,7 +6233,7 @@ struct Damage battle_calc_magic_attack(struct block_list *src,struct block_list
 						break;
 #ifdef RENEWAL
 					case WZ_HEAVENDRIVE:
-						skillratio += -100 + skill_lv * 100 + skill_lv * 25;
+						skillratio += 125;
 						break;
 					case WZ_METEOR:
 						skillratio += 25;