Fix typo, set use_texture_alpha = clip for all rail

mods/ENTITIES/mcl_minecarts/functions.lua

@@ -222,7 +222,7 @@ local function update_rail_connections(pos, opt)
 	local node = minetest.get_node(pos)
 	local nodedef = minetest.registered_nodes[node.name]
 	if not nodedef or not nodedef._mcl_minecarts then
-		minetest.log("warning", "attemting to rail connect to "..node.name)
+		minetest.log("warning", "attempting to rail connect to "..node.name)
 		return
 	end
 

mods/ENTITIES/mcl_minecarts/rails.lua

@@ -157,6 +157,7 @@ local BASE_DEF = {
 	sounds = mcl_sounds.node_sound_metal_defaults(),
 	is_ground_content = true,
 	paramtype = "light",
+	use_texture_alpha = "clip",
 	collision_box = {
 		type = "fixed",
 		fixed = { -8/16, -8/16, -8/16, 8/16, -7/16, 8/15 }