Check for invalid Reject Sword cases (#7174)

* If the target is dead, break out of the remaining checks and calculations.
Thanks to @Lemongrass3110!
Co-authored-by: Aleos <aleos89@users.noreply.github.com>

src/map/battle.cpp

@@ -6099,8 +6099,10 @@ static void battle_calc_weapon_final_atk_modifiers(struct Damage* wd, struct blo
 		)
 	{
 		ATK_RATER(wd->damage, 50)
-		status_fix_damage(target,src,wd->damage,clif_damage(target,src,gettick(),0,0,wd->damage,0,DMG_NORMAL,0,false),ST_REJECTSWORD);
 		clif_skill_nodamage(target,target,ST_REJECTSWORD,tsc->data[SC_REJECTSWORD]->val1,1);
+		status_fix_damage(target,src,wd->damage,clif_damage(target,src,gettick(),0,0,wd->damage,0,DMG_NORMAL,0,false),ST_REJECTSWORD);
+		if (status_isdead(target))
+			return;
 		if( --(tsc->data[SC_REJECTSWORD]->val3) <= 0 )
 			status_change_end(target, SC_REJECTSWORD);
 	}