Add missing `Since` marker to `GtkScaleButton:active`

diff --git a/gtk/gtkscalebutton.c b/gtk/gtkscalebutton.c
index 0a011bdd464e2d7113c0f51e9ea5bd877a9f3d76..7b2c2a11a0d67d8ffe8d5b907174da06a37349c4 100644 (file)
--- a/gtk/gtkscalebutton.c
+++ b/gtk/gtkscalebutton.c
@@ -261,6 +261,8 @@ gtk_scale_button_class_init (GtkScaleButtonClass *klass)
    * GtkScaleButton:active: (attributes org.gtk.Property.get=gtk_scale_button_get_active)
    *
    * If the scale button should be pressed in.
+   *
+   * Since: 4.10
    */
   g_object_class_install_property (gobject_class,
                                    PROP_ACTIVE,