Fixed amperstands.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2193 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter03/mounting.xml

@@ -15,7 +15,7 @@ by running:</para>
 
 <para>Now create the mount point and mount the LFS file system by running:</para>
 
-<para><screen><userinput>mkdir -p $LFS &&
+<para><screen><userinput>mkdir -p $LFS &amp;&amp;
 mount /dev/xxx $LFS</userinput></screen></para>
 
 <para>Replace <filename>xxx</filename> with the designation of the LFS