Fixes USDF Sprites

Fixes #3967 for Ace
(Unfortunately I have no idea how to fix the imperial weapon sound)

code/modules/clothing/head/helmet_vr.dm

@@ -9,8 +9,8 @@
 /obj/item/clothing/head/helmet/combat/USDF
 	name = "marine helmet"
 	desc = "If you wanna to keep your brain inside yo' head, you'd best put this on!"
-	icon_state = "UNSC_helm"
-	item_state = "UNSC_helm"
+	icon_state = "unsc_helm"
+	item_state = "unsc_helm"
 	icon = 'icons/obj/clothing/hats_vr.dmi'
 	icon_override = 'icons/mob/head_vr.dmi'
 

code/modules/clothing/suits/armor_vr.dm

@@ -60,7 +60,7 @@
 /obj/item/clothing/suit/armor/combat/USDF
 	name = "marine body armor"
 	desc = "When I joined the Corps, we didn't have any fancy-schmanzy armor. We had sticks! Two sticks, and a rock for the whole platoon–and we had to <i>share</i> the rock!"
-	icon_state = "UNSC_armor"
+	icon_state = "unsc_armor"
 	icon = 'icons/obj/clothing/suits_vr.dmi'
 	icon_override = 'icons/mob/suit_vr.dmi'
 	body_parts_covered = UPPER_TORSO|LOWER_TORSO // ToDo: Break up the armor into smaller bits.