Merge pull request #6516 from Citadel-Station-13/upstream-merge-37427

[MIRROR] [S] Fixes an exploit that allows you to print any object using the circuit printer

code/modules/integrated_electronics/core/printer.dm

@@ -192,6 +192,8 @@
 		else if(ispath(build_type, /obj/item/integrated_circuit))
 			var/obj/item/integrated_circuit/IC = SScircuit.cached_components[build_type]
 			cost = IC.materials[MAT_METAL]
+		else
+			return
 
 		var/datum/component/material_container/materials = GetComponent(/datum/component/material_container)