Minor typo fix in documentation

In the Net::LDAP docs:

moddn ( DN, OPTIONS )

    Rename the entry given by DN on the server. DN may be a string or a 
Net::LDAP::Entry object.

    newrdn => RDN

        This value should be a new RDN to assign to DN.
    deleteoldrdn => 1

        This option should be passwd if the existing RDN is to be deleted.

"passwd" should be "passed"

--Quanah


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Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
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