[Samba] TYPO net.8.xml

[OPC oota]

I found typo in net.8.xml of samba-3.4.0 source.

Note that you also need to use standard net paramters to connect and authenticate
                                            ---------
                                            parameters
 to the remote machine that you want to rename in the domain. 
These additional parameters include: -S computer and -U user.
</para>

--
--- Oota Toshiya ---  t-oota at dh.jp.nec.com
NEC Computers Software Operations Unit              Shiba,Minato,Tokyo
Open Source Software Platform Development Division  Japan,Earth,Solar system
(samba-jp/ldap-jp Staff,mutt-j/samba-jp postmaster)