Fix ModLoader add XP Smelting

client/net/minecraft/src/ModLoader.java

@@ -218,6 +218,16 @@ public class ModLoader
         GameRegistry.addSmelting(input, output, 1.0f);
     }
 
+    /**
+     * Add a new product to be smelted
+     *
+     * @param input
+     * @param output
+     */
+    public static void addSmelting(int input, ItemStack output, float experience)
+    {
+        GameRegistry.addSmelting(input, output, experience);
+    }
     /**
      * Add a mob to the spawn list
      *