Add NEWS entry for r83964.
diff --git a/Misc/NEWS b/Misc/NEWS
index b8070fe..3739333 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -17,6 +17,9 @@
 - Issue #5798: Handle select.poll flag oddities properly on OS X.
   This fixes test_asynchat and test_smtplib failures on OS X.
 
+- Issue #9543: Fix regression in socket.py introduced in Python 2.6.6 rc 1
+  in r83624.
+
 Extension Modules
 -----------------