[empathy] avoid segfault in event_manager_add (#624462)

[Guillaume Desmottes <gdesmott src gnome org>]

commit 90d81c0c42cdc99642e7191be01a907cc1b2c852
Author: Marc-Antoine Perennou <Marc-Antoine Perennou com>
Date:   Thu Jul 15 19:32:10 2010 +0200

    avoid segfault in event_manager_add (#624462)
    
    Check if approval is not NULL before trying to modify it

 src/empathy-event-manager.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/empathy-event-manager.c b/src/empathy-event-manager.c
index 35d71f9..bf3a48a 100644
--- a/src/empathy-event-manager.c
+++ b/src/empathy-event-manager.c
@@ -241,7 +241,9 @@ event_manager_add (EmpathyEventManager *manager,
   if (!display_notify_area ())
     {
       /* Don't fire the 'event-added' signal as we activate the event now */
-      approval->auto_approved = TRUE;
+      if (approval != NULL)
+        approval->auto_approved = TRUE;
+
       empathy_event_activate (&event->public);
       return;
     }