[gtk+] gtk_recent_chooser_set_filter: Allow NULL value to unset the filter.

[Tristan Van Berkom <tvb src gnome org>]

commit fbb94477851224a4fc9d7a25bec0284727c5eee5
Author: Tristan Van Berkom <tristanvb openismus com>
Date:   Sat Apr 6 17:56:19 2013 +0900

    gtk_recent_chooser_set_filter: Allow NULL value to unset the filter.
    
    While GtkRecentChooser implementations accept for the "filter" property
    to unset the current filter, the API fires an unneeded assertion.
    
    This patch removes the assertion.

 gtk/gtkrecentchooser.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkrecentchooser.c b/gtk/gtkrecentchooser.c
index bbaa4c6..4918fbc 100644
--- a/gtk/gtkrecentchooser.c
+++ b/gtk/gtkrecentchooser.c
@@ -962,7 +962,7 @@ gtk_recent_chooser_list_filters (GtkRecentChooser *chooser)
 /**
  * gtk_recent_chooser_set_filter:
  * @chooser: a #GtkRecentChooser
- * @filter: a #GtkRecentFilter
+ * @filter: (allow-none): a #GtkRecentFilter
  *
  * Sets @filter as the current #GtkRecentFilter object used by @chooser
  * to affect the displayed recently used resources.
@@ -974,7 +974,7 @@ gtk_recent_chooser_set_filter (GtkRecentChooser *chooser,
                               GtkRecentFilter  *filter)
 {
   g_return_if_fail (GTK_IS_RECENT_CHOOSER (chooser));
-  g_return_if_fail (GTK_IS_RECENT_FILTER (filter));
+  g_return_if_fail (filter == NULL || GTK_IS_RECENT_FILTER (filter));
   
   g_object_set (G_OBJECT (chooser), "filter", filter, NULL);
 }