Fix nether mod with >minetest-0.4.15

mods/nether/nether/guide.lua

@@ -315,7 +315,9 @@ for n,data in ipairs(guide_infos) do
 		elseif typ == "x" then
 			x = math.max(x, content)
 		elseif typ == "text" then
-			local tab = minetest.splittext(content, guide_size.fx)
+		   local wrap_func = minetest.wrap_text
+		   if not wrap_func then wrap_func = minetest.splittext end
+			local tab = wrap_func(content, guide_size.fx)
 			local l = guide_size.cx
 			for _,str in ipairs(tab) do
 				form = form.."label["..guide_size.cx ..","..guide_size.cy+y..";"..str.."]"

mods/nether/nether/items.lua

@@ -386,7 +386,9 @@ minetest.register_node("nether:apple", {
 			p_hunger = 30
 		end
 		hbhunger.hunger[user:get_player_name()] = p_hunger
-		hbhunger.set_hunger(user)
+		local save_hunger = hbhunger.save_hunger
+		if not save_hunger then save_hunger = hbhunger.set_hunger end
+		save_hunger(user)
 
 		local amount = math.random(4, 6)
 		inv:add_item("main", {name="nether:blood_extracted", count=math.floor(amount/3)})