Fix another Util-linux-ng typo (#2135)

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8464 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/util-linux-ng.xml

@@ -14,7 +14,7 @@
     <address>&util-linux-ng-url;</address>
   </sect1info>
 
-  <title>Util-linux-&util-linux-ng-version;</title>
+  <title>Util-linux-ng-&util-linux-ng-version;</title>
 
   <indexterm zone="ch-system-util-linux-ng">
     <primary sortas="a-Util-linux-ng">Util-linux-ng</primary>