Bug #1344508, Fix UNIX mmap leaking file descriptors.  Will backport.
diff --git a/Misc/NEWS b/Misc/NEWS
index e88311f..9b3f381 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -177,6 +177,8 @@
 Extension Modules
 -----------------
 
+- Bug #1344508, Fix UNIX mmap leaking file descriptors
+
 - Patch #1338314, Bug #1336623: fix tarfile so it can extract
   REGTYPE directories from tarfiles written by old programs.