Fixes dead PKborgs having active dampener fields

code/game/objects/items.dm

@@ -630,3 +630,5 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 /obj/item/proc/microwave_act(obj/machinery/microwave/M)
 	if(M && M.dirty < 100)
 		M.dirty++
+
+/obj/item/proc/on_mob_death(mob/living/L, gibbed)

code/game/objects/items/robot/robot_items.dm

@@ -578,6 +578,10 @@
 	. = ..()
 	host = loc
 
+/obj/item/borg/projectile_dampen/on_mob_death()
+	deactivate_field()
+	. = ..()
+
 /obj/item/borg/projectile_dampen/process()
 	process_recharge()
 	process_usage()