win32: detect arm64 architecture and emulations

win32: detect arm64 architecture and emulations

Properly detect process architecture and
machine architecture, including arm64.

Print process architecture and, if machine
architecture is different (we are running in
emulation), print that too.

Signed-off-by: Lev Stipakov <lev@openvpn.net>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <20221104090247.167-1-lstipakov@gmail.com>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg25476.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>