Fix broken translations (#124)

* Fix broken translation

armor_gold/init.lua

@@ -5,7 +5,7 @@
 
 
 -- support for i18n
-local S = armor.get_translator
+local S = minetest.get_translator(minetest.get_current_modname())
 
 
 --- Gold
@@ -180,4 +180,4 @@ if armor.materials.gold then
 			{m, "", m},
 		},
 	})
-end
+end