fix for login

[Stefan Farestam]

   A fixed version for login is available at sgi.com by anonymous
   ftp in directory sgi/login. It is compiled on 3.3.2, but seems
   to work ok on 3.3.1

   /Stefan Farestam



   .................................................................   
 .             Stefan Farestam    <farestam at cerfacs.fr>              .
.   __ __  __ _  _ _                                                  .
.  /  |_ )|_ /_\/ (          European Centre for Research and         .
 . \_ |__\| /   \__)    Advanced Training in Scientific Computation  .
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