Ticket 49460 - replica_write_ruv log a failure even when it succeeds
Bug Description:
Minor issue
If the update of the DB RUV returns a success LDAP_SUCCESS (internal modify),
it however logs an error as if it failed
side effect of https://pagure.io/389-ds-base/issue/48118
Fix Description:
Log a message only on failure
https://pagure.io/389-ds-base/issue/49460
Reviewed by: Ludwig Krispenz, William Brown
Platforms tested: F23
Flag Day: no
Doc impact: no