Allow both <sasl/sasl.h> and <sasl.h>

of version and then try -lsasl2 and -lsasl.  Make SASL code
conditional on SASL_VERSION_MAJOR, not HAVE_CYRUS_SASL.

important fixes necessary for proper operation of back-bdb.

newer versions of HP-UX.  However, as the test causes
no problems on any system, it's left in place (as someone
might actually be using an older version of HP-UX).

by Albert Chin-A-Young <china@thewrittenword.com> in ITS#1544.

"subtypes" and "lang" default behavior.

---
Copyright 2001, Igor Khavkine, All rights reserved.
This is free software; you can redistribute and use it
under the same terms as OpenLDAP itself.

from Booker C. Bense <bbense@stanford.edu>.