prevent a segfault when trying to start the gui without any

specific configuration in oss.conf
(reported by Klaus Darillion on the -video mailing list).



git-svn-id: http://svn.digium.com/svn/asterisk/trunk@127330 f38db490-d61c-443f-a65b-d21fe96a405b

channels/console_video.c

@@ -284,7 +284,7 @@ void fbuf_free(struct fbuf_t *b)
  */
 int get_gui_startup(struct video_desc* env)
 {
-	return env->stayopen;
+	return env ? env->stayopen : 0;
 }
 
 #if 0