PR#1999 broke fork detection by assuming HAVE_FORK was set for all platforms.
Include original HAVE_FORK detection logic while allowing it to be
overridden on specific platforms with -DHAVE_FORK=1 or -DHAVE_FORK=0

Fix for CVE-2010-0433 where some kerberos enabled versions of OpenSSL
could be crashed if the relevant tables were not present (e.g. chrooted).

subject to change...

Submitted by: Andreas Krebbel

Submitted by: "Kennedy, Brendan" <brendan.kennedy@intel.com>

Handle error codes correctly: cryptodev returns 0 for success whereas OpenSSL
returns 1.

warnings hard to fix without major surgery).

1.0.0. Original fix was on 2007-Mar-09 and had the log message: "Fix kerberos
ciphersuite bugs introduced with PR:1336."

CFB mode does *not* have to be a multiple of the block length and several
other specifications (e.g. PKCS#11) do not require this.

certificate is explicitly trusted (using -addtrust option to x509 utility
for example) the verification is sucessful even if the chain is not complete.

allow setting of verify names in command line utilities and print out verify names in verify utility

as issuer and subject names. Although this is an incompatible change
it should have little impact in pratice because self-issued certificates
that are not self-signed are rarely encountered.

X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT error codes were reversed in
the verify application documentation.

(The CHANGES entry covers the change from PR #2111 as well, submitted by
Martin Olsson.)

Submitted by: Neel Mehta

initial connection to unpatched servers. There are no additional security
concerns in doing this as clients don't see renegotiation during an
attack anyway.