[turba] address type bug in addobject.php

[Chuck Hagenbuch]

Quoting Bo Daley <bo at tilda.com.au>:

> I guess there was just one line in addobject.php that was missed -- this
> patch fixes it:

Committed, thanks!

-chuck

--
Charles Hagenbuch, <chuck at horde.org>
"... It is not more light we need, but more warmth! We die of cold, not of
darkness. It is not the night that kills, but the frost." - Miguel de Unamuno