1.1 --- a/model/unit.lua	Sat Mar 21 15:03:39 2015 +0100
     1.2 +++ b/model/unit.lua	Sat Mar 21 15:26:39 2015 +0100
     1.3 @@ -76,7 +76,7 @@
     1.4  
     1.5  
     1.6  
     1.7 -function recursive_add_child_units(units, parent_unit)
     1.8 +local function recursive_add_child_units(units, parent_unit)
     1.9    parent_unit.childs = {}
    1.10    for i, unit in ipairs(units) do
    1.11      if unit.parent_id == parent_unit.id then
    1.12 @@ -86,7 +86,7 @@
    1.13    end
    1.14  end  
    1.15  
    1.16 -function recursive_get_child_units(units, parent_unit, depth)
    1.17 +local function recursive_get_child_units(units, parent_unit, depth)
    1.18    for i, unit in ipairs(parent_unit.childs) do
    1.19      unit.depth = depth
    1.20      units[#units+1] = unit