openldap security and bug fix update

[2.3.43-12]

• updated spec file, so the compat-libs linking patch applies
  correctly
  [2.3.43-11]
• backported patch to handle null character in TLS
  certificates (#560912)
  [2.3.43-10]
• updated chase-referral patch to compile cleanly
• updated init script (#562714)
  [2.3.43-9]
• updated ldap.sysconf to include SLAPD_LDAP, SLAPD_LDAPS and
  SLAPD_LDAPI options (#559520)
  [2.3.43-8]
• fixed connection freeze when TLSVerifyClient = allow (#509230)
  [2.3.43-7]
• fixed chasing referrals in libldap (#510522)
  [2.3.43-6]
• fixed possible double free() in rwm overlay (#495628)
• updated slapd man page and slapcat usage string (#468206)
• updated default config for slapd - deleted syncprov module (#466937)
• fixed migration tools autofs generated format (#460331)
• fixed migration tools numbers detection in /etc/shadow (#113857)
• fixed migration tools base ldif (#104585)
  [2.3.43-5]
• implementation of limit adjustment before starting slapd (#527313)
• init script no longer executes script in /tmp (#483356)
• slapd not starting with ldap:/// every time (#481003)
• delay between TERM and KILL when shutting down slapd (#452064)
  [2.3.43-4]
• fixed compat libs linking (#503734)
• activated lightweight dispatcher feature (#507276)
• detection of timeout after failed result (#495701