[gtk+] GtkRecentManager: Allow instantiating with gtk_init

[Matthias Clasen <matthiasc src gnome org>]

commit 4bc3f02d51051fd7deff1a658d40a3859bb68a42
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Dec 21 23:14:02 2014 -0500

    GtkRecentManager: Allow instantiating with gtk_init
    
    This apparently used to work, and it doesn't do harm to allow it.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=705582

 gtk/gtkrecentmanager.c |   24 ++++++++++++++++--------
 1 files changed, 16 insertions(+), 8 deletions(-)
---
diff --git a/gtk/gtkrecentmanager.c b/gtk/gtkrecentmanager.c
index 99aa238..b239cfc 100644
--- a/gtk/gtkrecentmanager.c
+++ b/gtk/gtkrecentmanager.c
@@ -346,8 +346,9 @@ gtk_recent_manager_init (GtkRecentManager *manager)
   priv->filename = NULL;
 
   settings = gtk_settings_get_default ();
-  g_signal_connect_swapped (settings, "notify::gtk-recent-files-enabled",
-                            G_CALLBACK (gtk_recent_manager_enabled_changed), manager);
+  if (settings)
+    g_signal_connect_swapped (settings, "notify::gtk-recent-files-enabled",
+                              G_CALLBACK (gtk_recent_manager_enabled_changed), manager);
 }
 
 static void
@@ -470,14 +471,21 @@ gtk_recent_manager_real_changed (GtkRecentManager *manager)
        }
       else
         {
-          GtkSettings *settings = gtk_settings_get_default ();
-          gint age = 30;
+          GtkSettings *settings;
+          gint age;
           gboolean enabled;
 
-          g_object_get (G_OBJECT (settings),
-                        "gtk-recent-files-max-age", &age,
-                        "gtk-recent-files-enabled", &enabled,
-                        NULL);
+          settings = gtk_settings_get_default ();
+          if (settings)
+            g_object_get (G_OBJECT (settings),
+                          "gtk-recent-files-max-age", &age,
+                          "gtk-recent-files-enabled", &enabled,
+                          NULL);
+          else
+            {
+              age = 30;
+              enabled = TRUE;
+            }
 
           if (age == 0 || !enabled)
             {