[gtk+] stack: GtkStack:interpolate-size should be read/write

[Christian Hergert <chergert src gnome org>]

commit 24391634b5ac78ddf431da1a50ca1e0ca16795c5
Author: Christian Hergert <chergert redhat com>
Date:   Tue Nov 3 15:13:51 2015 -0800

    stack: GtkStack:interpolate-size should be read/write
    
    It looks like the param spec for interpolate-size was
    copied from the line above it, which is a read only property.
    
    There is a setter for interpolate-size, and it is implemented in
    set_property().

 gtk/gtkstack.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index a769abd..2460609 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -470,7 +470,7 @@ gtk_stack_class_init (GtkStackClass *klass)
   stack_props[PROP_INTERPOLATE_SIZE] =
       g_param_spec_boolean ("interpolate-size", P_("Interpolate size"), P_("Whether or not the size should 
smoothly change when changing between differently sized children"),
                             FALSE,
-                            GTK_PARAM_READABLE);
+                            GTK_PARAM_READWRITE);
 
 
   g_object_class_install_properties (object_class, LAST_PROP, stack_props);