Fixes 38 Surplus being unprintable in the autolathe and 38 speedloade…

…r description (#2840)

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## About The Pull Request

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Fixes #2814 and makes 38 surplus ammo able to be printed from the
autolathe. Changes the damage blurb on the 38 speedloader to reflect
standard 38 ammo's new stats.
## Why It's Good For The Game
Bug fixes are good.

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## Changelog

:cl:
fix: 38 Surplus ammo should be printable in the autolathe.
fix: 38 speedloader damage blurb is accurate to it's new stats.
/:cl:

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code/modules/projectiles/boxes_magazines/ammo_boxes.dm

@@ -55,7 +55,7 @@
 
 /obj/item/ammo_box/c38
 	name = "speed loader (.38 special)"
-	desc = "A 6-round speed loader for quickly reloading .38 special revolvers. These rounds do moderate damage, but plink against armor."
+	desc = "A 6-round speed loader for quickly reloading .38 special revolvers. These rounds do okay damage, but struggle against armor."
 	icon_state = "38"
 	ammo_type = /obj/item/ammo_casing/c38
 	caliber = ".38"

code/modules/research/designs/autolathe_designs.dm

@@ -798,9 +798,9 @@
 	build_path = /obj/item/weaponcrafting/receiver
 	category = list("hacked", "Security")
 
-/datum/design/c38
+/datum/design/c38_surplus
 	name = "Ammo Box (.38 surplus)"
-	id = "c38"
+	id = "c38_surplus"
 	build_type = AUTOLATHE | PROTOLATHE
 	materials = list(/datum/material/iron = 15000)
 	build_path = /obj/item/ammo_box/c38_box/surplus