bug#10317: su: -l and -p should not be used together

[Bernhard Voelker]

tag 10317 wontfix
close 10317
stop

A while ago, there has been a bug report to coreutils regarding
the unlucky use of the -p and the -l option (or a bare "-") with su:
  http://bugs.gnu.org/10317

As su is not part of coreutils anymore, I'm hereby closing the bug
there, and forward this issue to util-linux where su is now maintained.

@Karel:
do you think it's worth a warning/error?
However, the agreement was that the behaviour should at least
be documented.

Have a nice day,
Berny