Mention 4GB file bug fix.
diff --git a/NEWS b/NEWS
index 08a1a97..d7ae64e 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,7 @@
 * Support querying/setting operating system and external attributes.
 * For newly added files, set operating system to UNIX, permissions
   to 0666 (0777 for directories).
+* Fix bug when writing zip archives containing files bigger than 4GB.
 
 0.11.1 [2013/04/27]