corrects some defs without leading slash (#21843)

code/modules/modular_computers/file_system/programs/airestorer.dm

@@ -120,6 +120,6 @@
 		ui = new(user, src, ui_key, "ai_restorer", "Integrity Restorer", 600, 400, master_ui, state)
 		ui.open()
 
-datum/computer_file/program/aidiag/kill_program(forced)
+/datum/computer_file/program/aidiag/kill_program(forced)
 	restoring = FALSE
 	return ..(forced)

code/modules/modular_computers/hardware/ai_slot.dm

@@ -11,7 +11,7 @@
 	var/locked = FALSE
 
 
-obj/item/weapon/computer_hardware/ai_slot/examine(mob/user)
+/obj/item/weapon/computer_hardware/ai_slot/examine(mob/user)
 	..()
 	if(stored_card)
 		user << "There appears to be an intelliCard loaded. There appears to be a pinhole protecting a manual eject button. A screwdriver could probably press it"

code/modules/modular_computers/laptop_vendor.dm

@@ -240,7 +240,7 @@
 		ui.set_autoupdate(state = 1)
 
 
-obj/machinery/lapvend/attackby(obj/item/I as obj, mob/user as mob)
+/obj/machinery/lapvend/attackby(obj/item/I as obj, mob/user as mob)
 	if(istype(I,/obj/item/stack/spacecash))
 		var/obj/item/stack/spacecash/c = I