Make grates do what they're supposed to do

nodes.lua

@@ -236,6 +236,7 @@ local place_grate = function(pos)
 	local dir = minetest.facedir_to_dir(node.param2)
 	local target = vector.subtract(pos, dir)
 	waterworks.place_connected(pos, "outlet", {pos = pos, target = target, pressure = target.y})
+	waterworks.place_connected(pos, "inlet", {pos = pos, target = target, pressure = target.y})
 	local meta = minetest.get_meta(pos)
 	meta:set_string("infotext", "Grate elevation " .. tostring(target.y))
 end
@@ -261,9 +262,9 @@ minetest.register_node("waterworks:grate", {
     },
 	
 	sounds = default.node_sound_metal_defaults(),
-	_waterworks_update_connected = place_outlet,
+	_waterworks_update_connected = place_grate,
 	on_construct = function(pos)
-		place_outlet(pos)
+		place_grate(pos)
 	end,
 	on_destruct = function(pos)
 		waterworks.remove_connected(pos, "outlet")
@@ -274,7 +275,7 @@ minetest.register_node("waterworks:grate", {
 		waterworks.remove_connected(pos, "inlet")
 		node.param2 = new_param2
 		minetest.swap_node(pos, node)
-		place_outlet(pos)
+		place_grate(pos)
 		return true
 	end,
 })