Got back nether:apple hunger code

- nether:apple increase hunger from 9 points

mods/nether/nether/items.lua

@@ -367,6 +367,17 @@ minetest.register_node("nether:apple", {
 			return itemstack
 		end
 		
+		local p_hunger = tonumber(hud.hunger[user:get_player_name()])
+		if not p_hunger then
+			return
+		end
+		p_hunger = p_hunger + 9
+		if p_hunger > 30 then
+			p_hunger = 30
+		end
+		hud.hunger[user:get_player_name()] = p_hunger
+		hud.set_hunger(user)
+
 		local amount = math.random(4, 6)
 		inv:add_item("main", {name="nether:blood_extracted", count=math.floor(amount/3)})
 		user:set_hp(user:get_hp()-amount)