widget: Constify state parameter of propagate_state

Makes sense.

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index a034614d4beb6a239f95c16d9453fc7fbcfa6c8b..5edc2a2a3c13cbd9f7b6182b9433817fb285319c 100644 (file)
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -673,8 +673,8 @@ static void             gtk_widget_pop_verify_invariants        (GtkWidget
 #endif
 static PangoContext*   gtk_widget_peek_pango_context           (GtkWidget        *widget);
 static void            gtk_widget_update_pango_context         (GtkWidget        *widget);
-static void            gtk_widget_propagate_state              (GtkWidget        *widget,
-                                                                GtkStateData     *data);
+static void             gtk_widget_propagate_state              (GtkWidget          *widget,
+                                                                 const GtkStateData *data);
 static void             gtk_widget_update_alpha                 (GtkWidget        *widget);
 
 static gint            gtk_widget_event_internal               (GtkWidget        *widget,
@@ -10845,8 +10845,8 @@ _gtk_widget_synthesize_crossing (GtkWidget       *from,
 }
 
 static void
-gtk_widget_propagate_state (GtkWidget    *widget,
-                            GtkStateData *data)
+gtk_widget_propagate_state (GtkWidget          *widget,
+                            const GtkStateData *data)
 {
   GtkWidgetPrivate *priv = widget->priv;
   GtkStateFlags new_flags, old_flags = priv->state_flags;