preparing release of 2.4.25 updated and regenerated teh docs and web

* configure.in include/libxml/xmlwin32version.h: preparing release
  of 2.4.25
* doc/*: updated and regenerated teh docs and web pages.
Daniel
diff --git a/doc/xmlio.html b/doc/xmlio.html
index 814879b..0250fdb 100644
--- a/doc/xmlio.html
+++ b/doc/xmlio.html
@@ -241,6 +241,7 @@
 
 
 
+
 } </pre>
   </li>
   <li>And then use it to save the document: