randfile: do not redefine _XOPEN_SOURCE

Signed-off-by: Budai Laszlo <Laszlo.Budai@balabit.com>
openssl: mv8 flag removed (sparc)

Signed-off-by: Budai Laszlo <Laszlo.Budai@balabit.com>
openssl: pre B.11.23 HPUX versions doesn't support IPv6

Signed-off-by: Budai Laszlo <Laszlo.Budai@balabit.com>