[tracker/tracker-0.10] libtracker-common: Fix crash in gconf-dbus locale handling

[Martyn James Russell <mr src gnome org>]

commit 59d8202e05fc5485f5a269ce80bc080b2a1f213e
Author: JÃrg Billeter <j bitron ch>
Date:   Tue Nov 8 14:50:52 2011 +0100

    libtracker-common: Fix crash in gconf-dbus locale handling
    
    Fixes NB#289635.

 src/libtracker-common/tracker-locale-gconfdbus.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/libtracker-common/tracker-locale-gconfdbus.c b/src/libtracker-common/tracker-locale-gconfdbus.c
index 6cfe19a..3e93bbe 100644
--- a/src/libtracker-common/tracker-locale-gconfdbus.c
+++ b/src/libtracker-common/tracker-locale-gconfdbus.c
@@ -93,6 +93,11 @@ add_notify (void)
 	GVariant *reply;
 	GError *error = NULL;
 
+	if (gconf_dbus_default_db == NULL || connection == NULL) {
+		/* shutdown has already been called */
+		return FALSE;
+	}
+
 	reply = g_dbus_connection_call_sync (connection,
 	                                     GCONF_DBUS_SERVICE,
 	                                     gconf_dbus_default_db,