Add a note about fixing some more warnings found by Coverity.
diff --git a/Misc/NEWS b/Misc/NEWS
index 970fe40..2a1c511 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@
 Core and builtins
 -----------------
 
+- Fix warnings found by the new version of the Coverity checker.
+
 - The enumerate() builtin function is no longer bounded to sequences smaller
   than LONG_MAX.  Formerly, it raised an OverflowError.  Now, automatically
   shifts from ints to longs.