FIX CLIENT_SIDE_NO_RESULTS_RETURNED in hasNext() (#315)

DJLDAPv3Repo.getDN: An error occurred while querying entry DN
org.forgerock.opendj.ldap.EntryNotFoundException: No Such Entry:
0000208D: NameErr: DSID-0310023C, problem 2001 (NO_OBJECT), data 0, best
match of:
        'OU=Exchange Users,DC=domain,DC=com'
^@
        at org.forgerock.opendj.ldap.LdapException.newLdapException(LdapException.java:171)
        at org.forgerock.opendj.ldif.ConnectionEntryReader.hasNext(ConnectionEntryReader.java:224)
        at org.forgerock.openam.idrepo.ldap.DJLDAPv3Repo.getDN(DJLDAPv3Repo.java:2392)
        at org.forgerock.openam.idrepo.ldap.DJLDAPv3Repo.getDN(DJLDAPv3Repo.java:2354)
        at org.forgerock.openam.idrepo.ldap.DJLDAPv3Repo.getAttributes(DJLDAPv3Repo.java:797)
        at org.forgerock.openam.idrepo.ldap.DJLDAPv3Repo.getAttributes(DJLDAPv3Repo.java:746)