Fix multiple OpenSSL vulnerabilities.

Security: FreeBSD-SA-16:12.openssl
Approved by: so

Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Merge OpenSSL 0.9.8za.

Approved by: re (kib), so (delphij)

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Merge OpenSSL 0.9.8m into head.

This also "reverts" some FreeBSD local changes so we should now
be back to using entirely stock OpenSSL. The local changes were
simple $FreeBSD$ lines additions, which were required in the CVS
days, and the patch for FreeBSD-SA-09:15.ssl which has been
superseded with OpenSSL 0.9.8m's RFC5746 'TLS renegotiation
extension' support.

MFC after: 3 weeks

Merge OpenSSL 0.9.8k into head.

Approved by: re

Re-enable keyword expansion, at least for now. Having keyword
expension disabled on the vendor tree means merges to head
removes the attributes there which clutters the merge.

Vendor import of OpenSSL 0.9.8i.