Adding nodump role to 'passwd lfs'

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@6838 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter04/addinguser.xml

@@ -62,7 +62,7 @@ logged in as <emphasis>root</emphasis>, which does not require the
 <emphasis>lfs</emphasis> user to have a
 password), give <emphasis>lfs</emphasis> a password:</para>
 
-<screen><userinput>passwd lfs</userinput></screen>
+<screen role="nodump"><userinput>passwd lfs</userinput></screen>
 
 <para>Grant <emphasis>lfs</emphasis> full access to
 <filename class="directory">$LFS/tools</filename> by making