needed.

macros in ldap_pvt.h.

an undefined matched.  unrecognized objectIdentifer in OID form
shall result in false match.

Change ldapsearch to only produce LDIF.

subclass of stored value.

object classes with a superior.

macros into our namespace and limit use to headers.  A subsequent
round will add macros to separately handle forward declarations
of variables from declaration of function prototypes.  The last
round will add additional macros for declaring actual variables and
functions.