doc: Add documentation of lxc.syslog to Japanese lxc.container.conf(5)

doc/ja/lxc.container.conf.sgml.in

@@ -2371,6 +2371,22 @@ mknod errno 0
 	    </para>
 	  </listitem>
 	</varlistentry>
+        <varlistentry>
+          <term>
+            <option>lxc.syslog</option>
+          </term>
+          <listitem>
+            <para>
+	      <!--
+            Send logging info to syslog. It respects the log level defined in
+            <command>lxc.loglevel</command>. The argument should be the syslog
+            facility to use, valid ones are: daemon, local0, local1, local2,
+            local3, local4, local5, local5, local7.
+	    -->
+	      ログ情報を syslog に送ります。ログレベルとして <command>lxc.loglevel</command> の値を使用します。指定する値は使用する syslog の facility です。有効な値は daemon, local0, local1, local2, local3, local4, local5, local5, local6, local7 のいずれかです。
+            </para>
+          </listitem>
+        </varlistentry>
       </variablelist>
     </refsect2>
 

doc/lxc.container.conf.sgml.in

@@ -1706,7 +1706,7 @@ mknod errno 0
             Send logging info to syslog. It respects the log level defined in
             <command>lxc.loglevel</command>. The argument should be the syslog
             facility to use, valid ones are: daemon, local0, local1, local2,
-            local3, local4, local5, local5, local7.
+            local3, local4, local5, local5, local6, local7.
             </para>
           </listitem>
         </varlistentry>