In 2.4.13 you can specify "starttls" as an URL extension for the URI in the
config file. This was discussed in this thread
http://www.openldap.org/lists/openldap-devel/200810/msg00053.html
I think that's sufficient to fulfill this enhancement request.
--
-- Howard Chu
CTO, Symas Corp.
http://www.symas.com
Director, Highland Sun
http://highlandsun.com/hyc/
Chief Architect, OpenLDAP
http://www.openldap.org/project/