Issue #8674: Fix incorrect and UB-inducing overflow checks in audioop
module.  Thanks Tomas Hoger for the patch.
diff --git a/Misc/NEWS b/Misc/NEWS
index f214547..a09d535 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -15,6 +15,11 @@
 Library
 -------
 
+Extension Modules
+-----------------
+
+- Issue #8674: Fixed a number of incorrect or undefined-behaviour-inducing
+  overflow checks in the audioop module.
 
 What's New in Python 2.7 beta 2?
 ================================