headbonks cause system corruption

Title. Instead of taking brain damage from head hits, robots take 5 system corruption instead, which is effectively 5 bonus damage. Bonk.

code/modules/mob/living/carbon/human/species.dm

@@ -1689,7 +1689,10 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 			if(BODY_ZONE_HEAD)
 				if(!I.get_sharpness() && armor_block < 50)
 					if(prob(I.force))
-						H.adjustOrganLoss(ORGAN_SLOT_BRAIN, 20)
+						if(HAS_TRAIT(src, TRAIT_ROBOTIC_ORGANISM))
+							H.adjustToxLoss(5, toxins_type = TOX_SYSCORRUPT) //Bonk! - Effectively 5 bonus damage
+						else
+							H.adjustOrganLoss(ORGAN_SLOT_BRAIN, 20)
 						if(H.stat == CONSCIOUS)
 							H.visible_message("<span class='danger'>[H] has been knocked senseless!</span>", \
 											"<span class='userdanger'>You have been knocked senseless!</span>")