mute a wmllint false positive about unknown unit referred to by id

data/campaigns/Legend_of_Wesmere/scenarios/chapter1/03_Kalian_under_Attack.cfg

@@ -54,7 +54,7 @@
 				H = wesnoth.require "lua/helper.lua"
 				W = H.set_wml_action_metatable {}
 				_ = wesnoth.textdomain "my-campaign"
-			
+
 				-- Define your global constants here.
 				-- ...
 				ai = {}
@@ -177,7 +177,7 @@
                     code=<<
 				ai = ...
 				local my_ai = { }
-				
+
 				function my_ai:retreat()
 					local urudin = wesnoth.get_units({side = 3, id="Urudin"})[1]
 					if urudin and urudin.valid then
@@ -188,7 +188,7 @@
 						end
 					end
 				end
-				
+
 				return my_ai
 			>>
                 [/engine]
@@ -715,6 +715,7 @@
                 y=11
             [/unit]
 
+            # wmllint: recognize Landar
             [unit]
                 {LANDAR}
 #ifndef MULTIPLAYER