Improve accuracy of Smoker check

src/main/java/ganymedes01/etfuturum/recipes/SmokerRecipes.java

@@ -94,7 +94,7 @@ public boolean canAdd(ItemStack input, ItemStack result) {
 			// That was why DragonAPI somehow fixed a Bug in here, because Reika removes nulls from the List!
 			if (input != null && result != null) {
 				//If the result is a food, allow smelting.
-				return result.getItem() instanceof ItemFood;
+				return result.getItem() instanceof ItemFood && ((ItemFood) result.getItem()).func_150905_g(result) > 0;
 			}
 		}
 		return false;