Ticket #48244 - No validation check for the value for nsslapd-db-locks
Description: Added a validation check for the value for nsslapd-db-locks.
The default value is 10000 and now the lower value is set, it is set back
to the default value with this error message:
[..] - New max db lock count is too small. Resetting it to the default value 10000.
https://fedorahosted.org/389/ticket/48244
Reviewed by firstyear@redhat.com (Thank you, William!!)