Olivier Houchard f6a43a2b50 Fix broken su -m behaviour :
chshell must return 0 if the shell is not a standard shell, or else it is
possible to use an account without a valid shell.

Reviewed by:	des
2003-10-19 02:09:36 +00:00
..
2003-10-19 02:09:36 +00:00