Use OPENSSL_NO_CAST, not OPENSSL_NO_CAST5 in e_old.c

Submitted by: David Holmes <davidh@3blackdogs.com>

serial number is supplied on command line.

libraries aren't built or used.  I can see the point, so I'm
reorganising a little for clarity.

PR:662

PR:917
Sumbmitted by: Michael Konietzka <konietzka@schlund.de>

headers.

therefore link with them).  Add LD_PRELOAD setting code where it was
still missing.

PR: 966

if $(EXHEADER) is empty.

Notified by many, solution suggested by Carson Gaspar <carson@taltos.org>

and friends may be entirely useless.  In such a case, LD_PRELOAD is
the answer, at least on platforms using LD_LIBRARY_PATH.  There might
be other variables to set on other platforms, please fill us in...

For now, we only do this with the tests, so they won't fail for silly
reasons like getting dynamically linked to older installed libraries
rather than the newly built ones...

PR: 960

already defined.

PR: 963

make update

we get correct transfer vectors for those functions when required.

guys had to change the name to differentiate with older versions when
a backward incompatibility came up.  Of course, we need to adapt.
This change simply tries to load the library through the newer name
(ZLIB1) first, and if that fails, it tries the good old ZLIB.

"remaining relocations" in assembler modules. The latter seems to
be new behaviour, elder as/ld managed to resolve this relocations
as internal. It's possible to address this problem differently,
but I settle for -Bsymbolic...
PR: 946

Notified by Corinna Vinschen <vinschen@redhat.com>

the form MBSTRING_FLAG|nbyte where "nbyte" is the number of
bytes per character.

Unfortunately this isn't so and we can't change the #defines because
this would break binary compatibility, so for 0.9.7X only translate
between the two.

for the PKCS#9 OID then the non standard MS OID.

crypto/sha/sha_locl.h, where it is in fact an int, we need to check
for less-than-zero as if it was an int...