mobs:skeletons: add sounds to skeleton

and stray, fix random sound for wither skeleton

mods/ENTITIES/mobs_mc/skeleton+stray.lua

@@ -44,6 +44,11 @@ local skeleton = {
 			"mcl_bows_bow_0.png", -- wielded_item
 		}
 	},
+	sounds = {
+		random = "mobs_mc_skeleton_random.2",
+		death = "mobs_mc_skeleton_death",
+		damage = "mobs_mc_skeleton_hurt",
+		distance = 16,
 	walk_velocity = 1.2,
 	run_velocity = 2.0,
 	damage = 2,

mods/ENTITIES/mobs_mc/skeleton_wither.lua

@@ -37,7 +37,7 @@ mcl_mobs.register_mob("mobs_mc:witherskeleton", {
 	visual_size = {x=1.2, y=1.2},
 	makes_footstep_sound = true,
 	sounds = {
-		random = "mobs_mc_skeleton_random",
+		random = "mobs_mc_skeleton_random.1",
 		death = "mobs_mc_skeleton_death",
 		damage = "mobs_mc_skeleton_hurt",
 		distance = 16,