[mcl_item_entity] fix warnings

mods/ENTITIES/mcl_item_entity/init.lua

@@ -426,13 +426,9 @@ minetest.register_entity(":__builtin:item", {
 		if itemtable then
 			itemname = stack:to_table().name
 		end
-		local item_texture = nil
-		local item_type = ""
 		local glow
 		local def = minetest.registered_items[itemname]
 		if def then
-			item_texture = def.inventory_image
-			item_type = def.type
 			description = def.description
 			glow = def.light_source
 		end

mods/ENTITIES/mcl_minecarts/functions.lua

@@ -1,3 +1,5 @@
+local vector = vector
+
 function mcl_minecarts:get_sign(z)
 	if z == 0 then
 		return 0
@@ -38,11 +40,9 @@ end
 
 function mcl_minecarts:check_front_up_down(pos, dir_, check_down, railtype)
 	local dir = vector.new(dir_)
-	local cur = nil
-	
 	-- Front
 	dir.y = 0
-	cur = vector.add(pos, dir)
+	local cur = vector.add(pos, dir)
 	if mcl_minecarts:is_rail(cur, railtype) then
 		return dir
 	end
@@ -65,7 +65,7 @@ end
 
 function mcl_minecarts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
 	local pos = vector.round(pos_)
-	local cur = nil
+	local cur
 	local left_check, right_check = true, true
 
 	-- Check left and right
@@ -122,7 +122,6 @@ function mcl_minecarts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
 			return cur
 		end
 	end
-	
 	-- Backwards
 	if not old_switch then
 		cur = mcl_minecarts:check_front_up_down(pos, {
@@ -134,7 +133,5 @@ function mcl_minecarts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
 			return cur
 		end
 	end
-	
 	return {x=0, y=0, z=0}
 end
-