It doesn't work for me.
Here the script and your modification.
/*
DEPLOY CAMO SCRIPT
© norrin, April 2008
***********************************************************************************************************************************
deploy_camo.sqf
*/
_vcl = _this select 0;
_pos_vcl = getPos _vcl;
_dir_vcl = getDir _vcl;
switch (playerSide) do
{
case west: {_the_box ="USBasicWeaponsBox" createVehicle [_pos_vcl select 0, (_pos_vcl select 1) - 2, (_pos_vcl select 2) - 4];};
case east: {"RUBasicWeaponsBox" createVehicle [_pos_vcl select 0, (_pos_vcl select 1) - 2, (_pos_vcl select 2) - 4];};
case resistance: {"GuerillaCacheBox " createVehicle [_pos_vcl select 0, (_pos_vcl select 1) - 2, (_pos_vcl select 2) - 4];};
};
_the_box setVehicleInit "nul = [] execVM 'ammo.sqf'";
processInitCommands;
_vcl setFuel 0;
_camo = "Land_CamoNetB_NATO" createVehicle _pos_vcl;
_camo setDir (_dir_vcl + 90);
_camo setPos [(_pos_vcl select 0) + (sqrt (4) * cos (155 - _dir_vcl)), (_pos_vcl select 1) + (sqrt (4) * sin (155 - _dir_vcl)) , 0];
NORRN_camo_net = true;
publicVariable "NORRN_camo_net";
_vcl removeAction NORRN_l_spawn_act;
if (true) exitWith {};