[evolution] Bug 628635 - Crash in alarm-queue.c:display_notification()

[Matthew Barnes <mbarnes src gnome org>]

commit 8fc31dfe753b3fe5b5d5e0c1914ff64aec710086
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Sep 2 15:48:43 2010 -0400

    Bug 628635 - Crash in alarm-queue.c:display_notification()

 calendar/gui/alarm-notify/alarm-queue.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/calendar/gui/alarm-notify/alarm-queue.c b/calendar/gui/alarm-notify/alarm-queue.c
index debbb3c..9b397ca 100644
--- a/calendar/gui/alarm-notify/alarm-queue.c
+++ b/calendar/gui/alarm-notify/alarm-queue.c
@@ -1536,7 +1536,9 @@ display_notification (time_t trigger, CompQueuedAlarms *cqa,
 	if (!config_data_get_notify_with_tray ()) {
 		tray_blink_id = -1;
 		open_alarm_dialog (tray_data);
-		gtk_window_stick (GTK_WINDOW (alarm_notifications_dialog->dialog));
+		if (alarm_notifications_dialog)
+			gtk_window_stick (GTK_WINDOW (
+				alarm_notifications_dialog->dialog));
 	} else {
 		if (tray_blink_id == -1) {
 			tray_blink_countdown = 30;