Added a comment to the File instructions to remove the man page sed during the next package update

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8616 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/file.xml

@@ -45,6 +45,9 @@
     <parameter>-e</parameter> (<parameter>--exclude</parameter>)
     parameter:</para>
 
+<!-- The following sed should not be required after the next version update
+     as the maintainer has fixed it upstream. -->
+
 <screen><userinput remap="pre">sed -i -e '197,+1d' \
        -e '189,+1d' \
        -e 's/token$/tokens/' doc/file.man</userinput></screen>