added chown for /lost+found if the fs has it

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1519 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/changingowner.xml

@@ -9,6 +9,11 @@ Run the following commands to do so:</para>
 <para><screen><userinput>chown 0.0 / /proc &amp;&amp;
 chown -R 0.0 /bin /boot /dev /etc /home /lib /mnt /opt /root /sbin /tmp /usr /var</userinput></screen></para>
 
+<para>Depending on the filesystem you created on the LFS partition, you may
+have a /lost+found directory. If so, run:</para>
+
+<para><screen><userinput>chown 0.0 /lost+found</userinput></screen></para>
+
 <para>These commands will change the ownership of the root partition and
 the <filename>/proc</filename> directory to root, plus everything under
 the directories mentioned in the second line. In these commands, 0.0 is