added && at the enf of the adduser command

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1521 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter05/installasuser.xml

@@ -13,7 +13,7 @@ is as clean as possible, we'll create a new user lfs that can be
 used while building the static installation. Issuing the following
 commands as root will create a new user "lfs":</para>
 
-<para><screen><userinput>useradd -s /bin/bash -m lfs
+<para><screen><userinput>useradd -s /bin/bash -m lfs &amp;&amp;
 passwd lfs</userinput></screen></para>
 
 <para>Now it's time to change the permissions on your LFS partitions