Missed some end_var_scope cases, plus typo

data/lua/wml/find_path.lua

@@ -116,17 +116,13 @@ function wesnoth.wml_actions.find_path(cfg)
 
 		if cost >= 42424241 then -- it's the high value returned for unwalkable or busy terrains
 			wml.variables[tostring(variable)] = { hexes = 0 } -- set only length, nil all other values
-			-- support for $this_unit
-			wml.variables["this_unit"] = nil -- clearing this_unit
-			utils.end_var_scope("this_unit", this_unit)
-		return end
+			return
+		end
 
 		if not allow_multiple_turns and turns > 1 then -- location cannot be reached in one turn
 			wml.variables[tostring(variable)] = { hexes = 0 }
-			-- support for $this_unit
-			wml.variables["this_unit"] = nil -- clearing this_unit
-			utils.end_var_scope("this_unit", this_unit)
-		return end -- skip the cycles below
+			return
+		end -- skip the cycles below
 
 		wml.variables[tostring( variable )] =
 			{
@@ -165,7 +161,4 @@ function wesnoth.wml_actions.find_path(cfg)
 				}
 		end
 	end
-
-	-- support for $this_unit
-	wml.variables["this_unit"] = nil -- clearing this_unit
 end

data/lua/wml/harm_unit.lua

@@ -19,7 +19,7 @@ function wml_actions.harm_unit(cfg)
 		else return false end
 	end
 
-	local this_unit <close> = utils.scoepd_var("this_unit")
+	local this_unit <close> = utils.scoped_var("this_unit")
 
 	for index, unit_to_harm in ipairs(wesnoth.units.find_on_map(filter)) do
 		if unit_to_harm.valid then
@@ -202,6 +202,4 @@ function wml_actions.harm_unit(cfg)
 
 		wml_actions.redraw {}
 	end
-
-	wml.variables["this_unit"] = nil -- clearing this_unit
 end

data/lua/wml/random_placement.lua

@@ -87,11 +87,8 @@ wesnoth.wml_actions.random_placement = function(cfg)
 				utils.set_exiting("none")
 				break
 			elseif action ~= "none" then
-				utils.end_var_scope(variable, variable_previous)
 				return
 			end
 		end
 	end
-	utils.end_var_scope(variable, variable_previous)
-
 end