Restore documenting a glibc failure

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11530 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/glibc.xml

@@ -173,12 +173,12 @@ esac</userinput></screen>
         <para><emphasis>misc/tst-ttyname</emphasis> 
         is known to fail in the LFS chroot environment.</para>
       </listitem>
-<!--
+
       <listitem>
         <para><emphasis>inet/tst-idna_name_classify</emphasis> 
         is known to fail in the LFS chroot environment.</para>
       </listitem>
--->
+
       <listitem>
         <para><emphasis>posix/tst-getaddrinfo4</emphasis> and
         <emphasis>posix/tst-getaddrinfo5</emphasis>