db_mysql: docs - proper location for opt_ssl_mode in params section

- reported by Juha Henianen

(cherry picked from commit 5653670)

src/modules/db_mysql/doc/db_mysql_admin.xml

@@ -181,7 +181,6 @@ modparam("db_mysql", "update_affected_found", 1)
 </programlisting>
 		</example>
 	</section>
-	</section>
 	<section id="db_mysql.p.opt_ssl_mode">
 		<title><varname>opt_ssl_mode</varname> (integer)</title>
 		<para>
@@ -215,6 +214,7 @@ modparam("db_mysql", "opt_ssl_mode", 1)
 </programlisting>
 		</example>
 	</section>
+	</section>
 	<section>
 	<title>Functions</title>
 		<para>