corrects some defs without leading slash (#21843)

code/modules/projectiles/ammunition/energy.dm

@@ -154,7 +154,7 @@
 	projectile_type = /obj/item/projectile/energy/bolt/large
 	select_name = "heavy bolt"
 
-obj/item/ammo_casing/energy/net
+/obj/item/ammo_casing/energy/net
 	projectile_type = /obj/item/projectile/energy/net
 	select_name = "netting"
 	pellets = 6

code/modules/projectiles/boxes_magazines/external_mag.dm

@@ -119,7 +119,7 @@
 	..()
 	icon_state = "c20r45-[round(ammo_count(),2)]"
 
-obj/item/ammo_box/magazine/tommygunm45
+/obj/item/ammo_box/magazine/tommygunm45
 	name = "drum magazine (.45)"
 	icon_state = "drum45"
 	ammo_type = /obj/item/ammo_casing/c45

code/modules/projectiles/gun.dm

@@ -200,7 +200,7 @@
 		user << "<span class='warning'>[src]'s trigger is locked. This weapon doesn't have a firing pin installed!</span>"
 	return 0
 
-obj/item/weapon/gun/proc/recharge_newshot()
+/obj/item/weapon/gun/proc/recharge_newshot()
 	return
 
 /obj/item/weapon/gun/proc/process_fire(atom/target as mob|obj|turf, mob/living/user as mob|obj, message = 1, params, zone_override, bonus_spread = 0)

code/modules/projectiles/projectile/bullets.dm

@@ -322,7 +322,7 @@
 	damage = 7
 	armour_penetration = 0
 
-obj/item/projectile/bullet/saw/incen/Move()
+/obj/item/projectile/bullet/saw/incen/Move()
 	..()
 	var/turf/location = get_turf(src)
 	if(location)