Add NEWS entry for a bunch of fixes due to warnings produced by Klocworks static analysis tool.
diff --git a/Misc/NEWS b/Misc/NEWS
index f3834bb..8c4f4b6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@
 Core and builtins
 -----------------
 
+- Fix warnings reported by Klocwork's static analysis tool.
+
 - Bug #1512814, Fix incorrect lineno's when code within a function
   had more than 255 blank lines.