Issue #4228: Pack negative values the same way as 2.4
in struct's L format.
diff --git a/Misc/NEWS b/Misc/NEWS
index 97efe21..a98ae2c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -217,6 +217,8 @@
 Extension Modules
 -----------------
 
+- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
+
 - Security Issue #2: imageop did not validate arguments correctly and could
   segfault as a result.