Merged revisions 175188 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

................
  r175188 | jpeeler | 2009-02-12 12:00:11 -0600 (Thu, 12 Feb 2009) | 12 lines
  
  Merged revisions 175187 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r175187 | jpeeler | 2009-02-12 11:57:10 -0600 (Thu, 12 Feb 2009) | 6 lines
    
    Fix crash in event of failed attempt to transfer to parking
    
    The peer may not necessarily exist, such as in the case of a transfer to 
    ParkAndAnnounce. In this case don't try to play a sound to it.
  ........
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@175189 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/features.c

@@ -614,6 +614,7 @@ static int masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, i
 	int park_status;
 
 	if ((pu = park_space_reserve(rchan)) == NULL) {
+		if (peer)
 			ast_stream_and_wait(peer, "beeperr", "");
 		return FEATURE_RETURN_PARKFAILED;
 	}