Merged revisions 238834 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r238834 | jpeeler | 2010-01-08 17:28:37 -0600 (Fri, 08 Jan 2010) | 4 lines
  
  Stop a crash when no peer is passed to masq_park_call.
  
  (distantly related to issue #16406)
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@238835 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/features.c

@@ -991,7 +991,7 @@ static int masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, i
 		peer = chan;
 	}
 
-	if (!play_announcement && args == &park_args) {
+	if (peer && (!play_announcement && args == &park_args)) {
 		args->orig_chan_name = ast_strdupa(peer->name);
 	}