Mention legacy zip support with >64k in NEWS.

NEWS.md

diff --git a/NEWS.md b/NEWS.md
index c915ce6..467ea3e 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+1.1.x [xxxx-xx-xx]
+
+* Support legacy zip files with >64k entries.
+
 1.1.3 [2016-05-28]
 ==================