[gnome-settings-daemon] datetime: Fix deprecated use of polkit_authority_get()

[Bastien Nocera <hadess src gnome org>]

commit d08b1b05997b3591c7ac1eefebd04a503c97c06e
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Sep 20 18:42:00 2010 +0100

    datetime: Fix deprecated use of polkit_authority_get()

 plugins/datetime/gsd-datetime-mechanism.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/plugins/datetime/gsd-datetime-mechanism.c b/plugins/datetime/gsd-datetime-mechanism.c
index f95327e..0ee6564 100644
--- a/plugins/datetime/gsd-datetime-mechanism.c
+++ b/plugins/datetime/gsd-datetime-mechanism.c
@@ -176,9 +176,15 @@ register_mechanism (GsdDatetimeMechanism *mechanism)
 {
         GError *error = NULL;
 
-        mechanism->priv->auth = polkit_authority_get ();
+        mechanism->priv->auth = polkit_authority_get_sync (NULL, &error);
+        if (mechanism->priv->auth == NULL) {
+                if (error != NULL) {
+                        g_critical ("error getting system bus: %s", error->message);
+                        g_error_free (error);
+                }
+                goto error;
+        }
 
-        error = NULL;
         mechanism->priv->system_bus_connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error);
         if (mechanism->priv->system_bus_connection == NULL) {
                 if (error != NULL) {