Ticket 48850 - Correct memory leaks in pwdhash-bin and ns-slapd
Bug Description: pwdhash-bin had two memory leaks in the handling of strings
and password types. We also leaked plugin component id's and the name of
password plugin types.
Fix Description: Free the data correctly.
https://fedorahosted.org/389/ticket/48850
Author: wibrown
Review by: nhosoi (Thanks!)