WC: Use the Markov Chain generator for names

data/campaigns/World_Conquest/lua/campaign/enemy.lua

@@ -273,7 +273,7 @@ function wesnoth.wml_actions.wc2_enemy(cfg)
 	}
 	if unit.name == "" then
 		-- give names to undead
-		unit.name = wc2_random_names.generate()
+		unit.name = wc2_random_names()
 	end
 	unit:to_map()
 	wesnoth.wml_actions.set_recruit {

data/campaigns/World_Conquest/lua/game_mechanics/bonus.lua

@@ -20,7 +20,7 @@ function wesnoth.wml_actions.wc2_place_bonus(cfg)
 	-- Note: although the numbrs of options passed to helper.rand might depend on the langauge
 	--       the number of thimes random is called does not (random is called even if there is
 	--       only one option), so this doesn't cause OOS.
-	local name1 = wc2_random_names.generate()
+	local name1 = wc2_random_names()
 	local name_options = c_scenery.names or { _"place" }
 	local name2 = tostring(name_options[wesnoth.random(#name_options)])