ports/62690: Postfix with LDAP support fails to compile

[Oliver Eikemeier]

Vivek Khera wrote:

> Since I don't use LDAP, I didn't know about these knobs.  I'll try to 
> fashion a patch similar to how the mysql version is selected.  Thanks 
> for bringing it to my attention.
Thanks, great.

> As a stop-gap, please commit the adjusted patch which fixes both 
> OpenLDAP 2.0 and 2.1.  Thanks.
Fine with we.