[gtk+/gtk-3-16] NEWS: mention GtkListBoxCreateWidgetFunc API break

[Ryan Lortie <desrt src gnome org>]

commit e1da396e5d237ab58d9dc1598a694b7ab6ff496a
Author: Ryan Lortie <desrt desrt ca>
Date:   Fri Mar 27 12:10:39 2015 -0400

    NEWS: mention GtkListBoxCreateWidgetFunc API break
    
    This should probably be in the NEWS for the next release...

 NEWS |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index c8243e5..d4cb26a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+Overview of changes in GTK+ 3.16.1
+==================================
+
+* GtkListBox
+ - There has been a minor API break on the return value of the
+   GtkListBoxCreateWidgetFunc callback.  Previously, we would leak a
+   full reference returned by this callback and now we free it.
+
 Overview of Changes in GTK+ 3.16.0
 ==================================