preserve old rxdirs behaviro

example.cf

bundle agent __main__
{
  files:
      # If you had:
      "/path/to/something./"
        depth_search => recurse( "inf" ),
        perms => mog( "600", "root", "root");

     # And you want to have the old rxdirs behavior:
      "/path/to/something./"
        depth_search => recurse( "inf" ),
        perms => mymog( "600", "root", "root");


}
body perms mymog( m, o, g)
{
      inherit_from => default:mog( "$(m)", "$(o)", "$(g)" );
      rxdirs => "true";
}