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

[Philipp Thomas]

* Jim Meyering (j...@meyering.net) [20120214 11:49]:

> I see that Fedora still uses su from coreutils, too,
> so this is a worthwhile change.

openSUSE and SLES are also using su from coreutils.

Philipp