add a missing check in xmlAddSibling, patch by Kris Breuker avoid

* tree.c: add a missing check in xmlAddSibling, patch by Kris Breuker
* xmlIO.c: avoid xmlAllocOutputBuffer using XML_BUFFER_EXACT which
  leads to performances problems especially on Windows.
daniel

svn path=/trunk/; revision=3820
diff --git a/ChangeLog b/ChangeLog
index 54feb64..1c03942 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Mar 23 20:27:15 CET 2009 Daniel Veillard <daniel@veillard.com>
+
+	* tree.c: add a missing check in xmlAddSibling, patch by Kris Breuker
+	* xmlIO.c: avoid xmlAllocOutputBuffer using XML_BUFFER_EXACT which
+	  leads to performances problems especially on Windows.
+
 Tue Mar  3 14:30.28 HKT 2009 William Brack <wbrack@mmm.com.hk>
 
 	* trio.h: changed include of config.h to be surrounded by