Default/nodes: Fix acacia leaves not waving

mods/default/nodes.lua

@@ -651,6 +651,7 @@ minetest.register_node("default:acacia_leaves", {
 	drawtype = "allfaces_optional",
 	visual_scale = 1.3,
 	tiles = {"default_acacia_leaves.png"},
+	waving = 1,
 	paramtype = "light",
 	is_ground_content = false,
 	groups = {snappy = 3, leafdecay = 3, flammable = 2, leaves = 1},