Restore one mention of logrotate, per Peter.

doc/src/sgml/maintenance.sgml

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+$PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.35 2004/05/16 19:34:46 momjian Exp $
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 <chapter id="maintenance">
@@ -461,7 +461,7 @@ VACUUM
    you can send a <literal>SIGHUP</literal> signal to the
    <application>syslog</> daemon whenever you want to force it to
    start writing a new log file.  If you want to automate log
-   rotation, the <application>rotatelogs</application> program can be
+   rotation, the <application>logrotate</application> program can be
    configured to work with log files from
    <application>syslog</application>.
   </para>