ITS#9647 Find correct sid in compare_csns() more of the time

3 jobs for !444 with its9647 in 51 minutes and 39 seconds (queued for 74 minutes and 25 seconds)
detached
Status Name Job ID Coverage
  Build
passed build-gnutls-mit-standalone-lloadd #10197

00:45:10

passed build-no-threads-no-slapd #10195

00:02:06

passed build-openssl-heimdal-lloadd #10196

00:51:21