Fixes NPC_DARKBREATH attack type

* Follow up to 70d6876.
* Fixes #4997.
* The attack type for NPC_DARKBREATH will now properly read the database value.
Thanks to @qwerty7vp!

src/map/skill.cpp

@@ -5530,7 +5530,7 @@ int skill_castend_damage_id (struct block_list* src, struct block_list *bl, uint
 	case NJ_ZENYNAGE:
 	case GN_THORNS_TRAP:
 	case RL_B_TRAP:
-		skill_attack(BF_MISC,src,src,bl,skill_id,skill_lv,tick,flag);
+		skill_attack(skill_get_type(skill_id),src,src,bl,skill_id,skill_lv,tick,flag);
 		break;
 #ifdef RENEWAL
 	case NJ_ISSEN: {