Incorporate Expat 1.95.6.
diff --git a/setup.py b/setup.py
index 220a7d5..bae3159 100644
--- a/setup.py
+++ b/setup.py
@@ -690,9 +690,9 @@
         # More information on Expat can be found at www.libexpat.org.
         #
         if sys.byteorder == "little":
-            xmlbo = "12"
+            xmlbo = "1234"
         else:
-            xmlbo = "21"
+            xmlbo = "4321"
         expatinc = os.path.join(os.getcwd(), srcdir, 'Modules', 'expat')
         exts.append(Extension('pyexpat',
                               sources = [
@@ -702,10 +702,9 @@
             'expat/xmltok.c',
             ],
                               define_macros = [
-            ('HAVE_EXPAT_H',None),
             ('XML_NS', '1'),
             ('XML_DTD', '1'),
-            ('XML_BYTE_ORDER', xmlbo),
+            ('BYTEORDER', xmlbo),
             ('XML_CONTEXT_BYTES','1024'),
             ],
                               include_dirs = [expatinc]