[pkcs11.h] cleanup 1 << 31 idioms. Resurrection of this issue pointed out by Eitan Adler ok markus for ssh, implies same change in kerberosV
[ssh-pkcs11.h] Add $OpenBSD$ RCS idents so we can sync portable
[scard.c scard.h pkcs11.h scard/Makefile.in scard/Ssh.bin.uu scard/Ssh.java] Remove obsolete smartcard support