Wrapped a couple of filenames in filename tags.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7531 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/glibc.xml

@@ -73,7 +73,8 @@
 <screen><userinput>tar -xf ../glibc-libidn-&glibc-version;.tar.bz2</userinput></screen>
 
     <para>Apply the following patch to fix build errors in packages that include
-    linux/types.h after sys/kd.h:</para>
+    <filename class="headerfile">linux/types.h</filename> after <filename
+    class="headerfile">sys/kd.h</filename>:</para>
 
 <screen><userinput>patch -Np1 -i ../&glibc-linux_types-patch;</userinput></screen>