util.startup: Don't use not yet existent shutdown procedure when started as root (thanks SigmaTel71)
# mod_mam should apply JIDprep in prefs
[Client] Romeo
jid: romeo@localhost
password: password
-----
Romeo connects
Romeo sends:
<iq id="lx2" type="set">
<prefs xmlns="urn:xmpp:mam:2" default="roster">
<always>
<jid>JULIET@MONTAGUE.LIT</jid>
</always>
<never>
<jid>MONTAGUE@MONTAGUE.LIT</jid>
</never>
</prefs>
</iq>
Romeo receives:
<iq id="lx2" type="result">
<prefs xmlns="urn:xmpp:mam:2" default="roster">
<always>
<jid>juliet@montague.lit</jid>
</always>
<never>
<jid>montague@montague.lit</jid>
</never>
</prefs>
</iq>
Romeo disconnects