[gtk+] widget: Fix :parent property type

[Timm Bäder <baedert src gnome org>]

commit 8960bb7c8e35f7fbbfc5fa875eaa0bcce1386967
Author: Timm Bäder <mail baedert org>
Date:   Sat Dec 3 11:09:58 2016 +0100

    widget: Fix :parent property type
    
    Parent widgets can now also be widgets, not just containers.

 gtk/gtkwidget.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 0be6b0d..c644ac0 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -1085,8 +1085,8 @@ gtk_widget_class_init (GtkWidgetClass *klass)
   widget_props[PROP_PARENT] =
       g_param_spec_object ("parent",
                            P_("Parent widget"),
-                           P_("The parent widget of this widget. Must be a Container widget"),
-                           GTK_TYPE_CONTAINER,
+                           P_("The parent widget of this widget."),
+                           GTK_TYPE_WIDGET,
                            GTK_PARAM_READWRITE);
 
   widget_props[PROP_WIDTH_REQUEST] =
@@ -8507,9 +8507,9 @@ gtk_widget_set_parent (GtkWidget *widget,
  * gtk_widget_get_parent:
  * @widget: a #GtkWidget
  *
- * Returns the parent container of @widget.
+ * Returns the parent widget of @widget.
  *
- * Returns: (transfer none) (nullable): the parent container of @widget, or %NULL
+ * Returns: (transfer none) (nullable): the parent widget of @widget, or %NULL
  **/
 GtkWidget *
 gtk_widget_get_parent (GtkWidget *widget)