[gtk+] Release-note the headerbar child order change

[Matthias Clasen <matthiasc src gnome org>]

commit cc6ffd0481e15659d6ec6758fa4e457a307f3137
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jan 7 12:50:47 2014 -0500

    Release-note the headerbar child order change

 README.in |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/README.in b/README.in
index f43365f..b70ab8f 100644
--- a/README.in
+++ b/README.in
@@ -82,6 +82,11 @@ Release notes for 3.12
   GdStack is using it, so applications should be ported from GdStack
   to GtkStack in 3.12.
 
+* GtkHeaderBar in 3.10 was not ordering its pack-end children in
+  the right way. This has been fixed in 3.12. Applications which
+  pack multiple widgets at the end of a headerbar will have to
+  be updated.
+
 Release notes for 3.10
 ======================