switch: Use the right value for comparison

diff --git a/gtk/gtkswitch.c b/gtk/gtkswitch.c
index 8fd406f3817807ab45629be076c81e49f1404642..a73e25bd9efe40c20a6770aad8d79986b9d9f3aa 100644 (file)
--- a/gtk/gtkswitch.c
+++ b/gtk/gtkswitch.c
@@ -965,7 +965,7 @@ gtk_switch_accessible_get_type (void)
        * for GtkWidget; if Gail is being used then this means GailWidget.
        */
       factory = atk_registry_get_factory (atk_get_default_registry (), GTK_TYPE_WIDGET);
-      if (factory == G_TYPE_INVALID)
+      if (factory == NULL)
         return G_TYPE_INVALID;
 
       parent_atk_type = atk_object_factory_get_accessible_type (factory);