[gtk+] popover: Don't restore stale default widget

[Matthias Clasen <matthiasc src gnome org>]

commit 775800f76e800979d3ff91ff2e78b7149ff6a960
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 15 23:38:20 2015 -0400

    popover: Don't restore stale default widget
    
    Only restore the saved default widget if the default hasn't been
    changed while the popover was visible.

 gtk/gtkpopover.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkpopover.c b/gtk/gtkpopover.c
index 6769775..aa36ab5 100644
--- a/gtk/gtkpopover.c
+++ b/gtk/gtkpopover.c
@@ -610,7 +610,8 @@ gtk_popover_unmap (GtkWidget *widget)
   gdk_window_hide (gtk_widget_get_window (widget));
   GTK_WIDGET_CLASS (gtk_popover_parent_class)->unmap (widget);
 
-  gtk_window_set_default (priv->window, priv->prev_default);
+  if (gtk_window_get_default_widget (priv->window) == priv->default_widget)
+    gtk_window_set_default (priv->window, priv->prev_default);
   g_clear_object (&priv->prev_default);
 }