Update the embedded copy of the expat XML parser to 2.1.0. It brings
with it a vareity of bug fixes, both security and behavior. See
http://www.libexpat.org/ for the list.
NOTE: I already backported the expat hash randomization fix in March.
Fixes issue #14340.
diff --git a/Modules/expat/internal.h b/Modules/expat/internal.h
index ff056c6..dd54548 100644
--- a/Modules/expat/internal.h
+++ b/Modules/expat/internal.h
@@ -20,7 +20,7 @@
and therefore subject to change.
*/
-#if defined(__GNUC__) && defined(__i386__)
+#if defined(__GNUC__) && defined(__i386__) && !defined(__MINGW32__)
/* We'll use this version by default only where we know it helps.
regparm() generates warnings on Solaris boxes. See SF bug #692878.