to a 2-clause licence (retaining UCB clauses (1) and (2)), per PR
22409 from Joel Baker, approved by Theo de Raadt, and ratified by
myself - the only discrepancy being the handling of the original
clause 3 in src/usr.sbin/yppoll/yppoll.c.
if the initial open fails with EFTYPE. if a different database
format is found to be more efficient, just add the code to open it
prior to that of the other formats; this maintains backward
compatibility with older databases whilst providing new functionality...
- add rcsid's
