Patch #1540470, for OpenBSD 4.0.  Backport candidate for 2.[34].
diff --git a/Misc/NEWS b/Misc/NEWS
index 76c4eed..394d921 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -69,6 +69,8 @@
 Build
 -----
 
+- Patch #1540470, for OpenBSD 4.0.
+
 - Patch #1545507: Exclude ctypes package in Win64 MSI file.
 
 - Fix OpenSSL debug build process.