Patch #551011: Fix compilation problems with Cygwin.
diff --git a/Modules/expat/expat.h b/Modules/expat/expat.h
index 9259a45..123b6e5 100644
--- a/Modules/expat/expat.h
+++ b/Modules/expat/expat.h
@@ -9,7 +9,7 @@
 #include <stdlib.h>
 
 #ifndef XMLPARSEAPI
-#  if defined(__declspec) && !defined(__BEOS__)
+#  if defined(__declspec) && !defined(__BEOS__) && !defined(__CYGWIN__)
 #    define XMLPARSEAPI(type) __declspec(dllimport) type __cdecl
 #  else
 #    define XMLPARSEAPI(type) type