trying to remove some warning when compiling on Fedora Core 3 and 64bits

* xmllint.c xpath.c include/libxml/xpath.h
  include/libxml/xpathInternals.h python/libxml.c
  python/libxml_wrap.h: trying to remove some warning when compiling
  on Fedora Core 3 and 64bits
Daniel
diff --git a/python/libxml_wrap.h b/python/libxml_wrap.h
index ad62be2..e821075 100644
--- a/python/libxml_wrap.h
+++ b/python/libxml_wrap.h
@@ -233,3 +233,4 @@
 PyObject * libxml_xmlSchemaValidCtxtPtrWrap(xmlSchemaValidCtxtPtr valid);
 #endif /* LIBXML_SCHEMAS_ENABLED */
 PyObject * libxml_xmlErrorPtrWrap(xmlErrorPtr error);
+PyObject * libxml_xmlSchemaSetValidErrors(PyObject * self, PyObject * args);