[4321] Fixed broken unit test after Lease6 fix.

src/lib/dhcpsrv/tests/csv_lease_file6_unittest.cc

@@ -270,7 +270,7 @@ TEST_F(CSVLeaseFile6Test, recreate) {
               "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
               "state\n"
               "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-              "200,200,8,100,0,7,0,1,1,host.example.com,,0\n"
+              "200,200,8,100,0,7,128,1,1,host.example.com,,0\n"
               "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05"
               ",300,300,6,150,0,8,128,0,0,,,0\n"
               "3000:1:1::,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"