NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

lukem
Tue Jun 24 17:15:07 PDT 1997
Update of /cvsroot/src/usr.bin/login
In directory netbsd1:/var/slash-tmp/cvs-serv29025

Modified Files:
        login.1 login.c 
Log Message:
Apply [bin/3270] from Simon J. Gerraty <sjg%quick.com.au@localhost>, with fixes 
by me:
* if the user has an s/key, provide a reminder in the password prompt
* if '-s' is given once, force a user that has an s/key to use it
* if '-s' is given more than once, only permit s/key logins