More tweaks

CHANGES

 OpenLDAP 2.4 Change Log
 
 OpenLDAP 2.4.21 Engineering
-	Fixed liblutil for negative time offsets (ITS#6405)
+	Fixed liblutil for negative microsecond offsets (ITS#6405)
 	Fixed slapd looping with SSL/TLS connections (ITS#6412)
-	Fixed slapd syncreplfreeing tasks from queue (ITS#6413)
+	Fixed slapd syncrepl freeing tasks from queue (ITS#6413)
 	Fixed slapd-config Adds with Abstract classes (ITS#6408)
 	Fixed slapd-ldif access outside database directory (ITS#6414)
 	Fixed slapo-translucent with back-null (ITS#6403)