SGML source fixes

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@168 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

appendixa/diffutils-desc.sgml

@@ -14,7 +14,7 @@ The Diffutils package contains the cmp, diff, diff3 and sdiff programs.
 <para>
 cmp and diff both compare two files and report their differences. Both
 programs have extra options which compare files in different situations.
-</para
+</para>
 
 </sect3>
 

appendixa/libtool-desc.sgml

@@ -1,4 +1,4 @@
-<sect2<title>Contents</title>
+<sect2><title>Contents</title>
 
 <para>
 The Libtool package contains the libtool and libtoolize programs. It