[turba] [patch] ldap_rename when key changes

[Chuck Hagenbuch]

Quoting Tarjei Huse <tarjei+a_lists.phpgw at nu.no>:

> It had a minor error that happened when you converted it to what I guess is
> Horde Codingstandards. Also I had to modify edit.php so it check if 
> the key has been updated. With the followin patch things work for me.

Committed, thanks.

-chuck

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