Add rail sounds

mods/mcl_core/nodes.lua

@@ -1071,6 +1071,7 @@ minetest.register_node("mcl_core:rail", {
 	},
 	stack_max = 64,
 	groups = {cracky=3,oddly_breakable_by_hand=3,attached_node=1,rail=1,connect_to_raillike=1,dig_by_water=1,transport=1},
+	sounds = mcl_core.node_sound_defaults(),
 })
 
 minetest.register_node("mcl_core:ladder", {

mods/mcl_minecarts/rails.lua

@@ -21,7 +21,7 @@ minetest.register_node("mcl_minecarts:golden_rail", {
 			minetest.get_meta(pos):set_string("cart_acceleration", "0.5")
 		end
 	end,
-	
+	sounds = mcl_core.node_sound_defaults(),
 	mesecons = {
 		effector = {
 			action_on = function(pos, node)