Hardcoded xsl-stylesheets version to a guaranteed known working version

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@4338 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

INSTALL

@@ -20,10 +20,10 @@ If all you want to do is convert XML to HTML perform the following:
 * DocBook DTD 
   - http://www.linuxfromscratch.org/blfs/view/svn/pst/xml.html
 
-* DocBook XSL Stylesheets 
+* DocBook XSL Stylesheets (1.67.0)
   - http://www.linuxfromscratch.org/blfs/view/svn/pst/docbook-xsl.html
   - additionally create a link from
-    /usr/share/xml/docbook/xsl-stylesheets-[version] to
+    /usr/share/xml/docbook/xsl-stylesheets-1.67.0 to
     /usr/share/xml/docbook/xsl-stylesheets-current
 
     ln -s xsl-stylesheets-[version] /usr/share/xml/docbook/xsl-stylesheets-current