Merge pull request #6251 from Heroman3003/reactionfix

Fixes retaliate mobs ignoring melee attacks

code/modules/mob/living/living_defense.dm

@@ -216,6 +216,9 @@
 /mob/living/proc/hit_with_weapon(obj/item/I, mob/living/user, var/effective_force, var/hit_zone)
 	visible_message("<span class='danger'>[src] has been [I.attack_verb.len? pick(I.attack_verb) : "attacked"] with [I.name] by [user]!</span>")
 
+	if(ai_holder)
+		ai_holder.react_to_attack(user)
+
 	var/soaked = get_armor_soak(hit_zone, "melee")
 	var/blocked = run_armor_check(hit_zone, "melee")