x86*_nw.pl will be deleted. In addition this update implements initseg
on several additional [in addition to ELF] platforms. Functions registered
with initseg are supposed to be called prior main().

is to have a placeholder to small routines, which can be written only
in assembler. In IA-32 case this includes processor capability
identification and access to Time-Stamp Counter. As discussed earlier
OPENSSL_ia32cap is introduced to control recently added SSE2 code
pathes (see docs/crypto/OPENSSL_ia32cap.pod). For the moment the
code is operational on ELF platforms only. I haven't checked it yet,
but I have all reasons to believe that Windows build should fail to
link too. I'll be looking into it shortly...

systems and above.
PR: 664

shared libraries shared.

the third argument: the second was being used
already.

Add info about where to get MASM.

didn't work before :-)