Issue #4106: Fix occasional exceptions printed out by multiprocessing on interpreter shutdown.

This bug doesn't seem to exist on 3.2, where daemon threads are killed
before Py_Finalize() is entered.
diff --git a/Misc/NEWS b/Misc/NEWS
index 4be510d..69e0ebc 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -40,6 +40,9 @@
 Library
 -------
 
+- Issue #4106: Fix occasional exceptions printed out by multiprocessing on
+  interpreter shutdown.
+
 - Issue #11657: Fix sending file descriptors over 255 over a multiprocessing
   Pipe.