[glib] Update release notes

[Matthias Clasen <matthiasc src gnome org>]

commit ad1580e516fd481eaa1c6bb9134c1c11a517e824
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Dec 21 10:02:07 2009 -0500

    Update release notes

 README.in |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/README.in b/README.in
index 911995e..9c5c8f5 100644
--- a/README.in
+++ b/README.in
@@ -24,6 +24,13 @@ Installation
 
 See the file 'INSTALL'
 
+Notes about GLib 2.24
+=====================
+
+* GObject no longer allows to call g_object_set() on construct-only properties
+  while an object is being initialized. If this behavior is needed, setting a
+  custom constructor that just chains up will re-enable this functionality.
+
 Notes about GLib 2.22
 =====================
 
@@ -198,5 +205,4 @@ to that bug report.
 Otherwise, enter a new bug report that describes the patch,
 and attach the patch to that bug report.
 
-Patches should be in unified diff form. (The -up option to GNU
-diff.)
+Patches should be in unified diff form. (The -up option to GNUdiff.)