WML tags fixup

data/lua/wml-flow.lua

@@ -1,4 +1,6 @@
-
+local helper = wesnoth.require "lua/helper.lua"
+local utils = wesnoth.require "lua/wml-utils.lua"
+local wml_actions = wesnoth.wml_actions
 
 function wml_actions.command(cfg)
 	utils.handle_event_commands(cfg, "plain")

data/lua/wml/endlevel.lua

@@ -1,6 +1,6 @@
+local helper = wesnoth.require "lua/helper.lua"
 
-
-function wml_actions.endlevel(cfg)
+function wesnoth.wml_actions.endlevel(cfg)
 	local parsed = helper.parsed(cfg)
 	if wesnoth.check_end_level_disabled() then
 		wesnoth.message("Repeated [endlevel] execution, ignoring")

data/lua/wml/find_path.lua

@@ -1,6 +1,7 @@
+local helper = wesnoth.require "lua/helper.lua"
+local utils = wesnoth.require "lua/wml-utils.lua"
 
-
-function wml_actions.find_path(cfg)
+function wesnoth.wml_actions.find_path(cfg)
 	local filter_unit = helper.get_child(cfg, "traveler") or helper.wml_error("[find_path] missing required [traveler] tag")
 	-- only the first unit matching
 	local unit = wesnoth.get_units(filter_unit)[1] or helper.wml_error("[find_path]'s filter didn't match any unit")

data/lua/wml/harm_unit.lua

@@ -1,4 +1,6 @@
-
+local helper = wesnoth.require "lua/helper.lua"
+local utils = wesnoth.require "lua/wml-utils.lua"
+local wml_actions = wesnoth.wml_actions
 
 function wml_actions.harm_unit(cfg)
 	local filter = helper.get_child(cfg, "filter") or helper.wml_error("[harm_unit] missing required [filter] tag")

data/lua/wml/modify_unit.lua

@@ -1,4 +1,6 @@
-
+local helper = wesnoth.require "lua/helper.lua"
+local utils = wesnoth.require "lua/wml-utils.lua"
+local wml_actions = wesnoth.wml_actions
 
 function wml_actions.modify_unit(cfg)
 	local unit_variable = "LUA_modify_unit"

data/lua/wml/random_placement.lua

@@ -1,4 +1,5 @@
-
+local helper = wesnoth.require "lua/helper.lua"
+local utils = wesnoth.require "lua/wml-utils.lua"
 
 wesnoth.wml_actions.random_placement = function(cfg)
 	local dist_le = nil