maint: post-release administrivia

* NEWS: Add header line for the next release.

diff --git a/NEWS b/NEWS
index 9623754d98f351b7e522fa84af07d4a91a88645b..fe40ca42e14125164eedc6ecd0ce86486569a37d 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+Noteworthy changes in release ?.?? (????-??-??)
+===============================================
+
 Noteworthy changes in release 4.11 (2015-12-21)
 ===============================================