Ticket 48902 - Strdup pwdstoragescheme name to prevent misbehaving plugins
Bug Description: Some plugins would set the pwdstorageschemename to a value
from their stack. This would cause ns-slapd to segfault on shutdown due to
attempting to free this value.
Fix Description: pblock now strdups the pwdstorageschemename, so that plugins
can behave however they want, and we always do the right thing.
Review by: nhosoi (Thanks!)