Minor vm fix

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1719 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail2.c

@@ -2603,9 +2603,11 @@ out:
 	if (res > -1) {
 		ast_stopstream(chan);
 		adsi_goodbye(chan);
+		if(valid) {
 			res = play_and_wait(chan, "vm-goodbye");
 			if (res > 0)
 				res = 0;
+		}
 		if (useadsi)
 			adsi_unload_session(chan);
 	}