Add an additional check for setting conference parameter when using the marked user options. It was possible for it to return to a no listen/no talk state if a masquerade happened.

(closes issue #12136)
Reported by: aragon


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@107637 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_meetme.c

@@ -1658,7 +1658,7 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
 		}
 	}
 
-	if (confflags & CONFFLAG_WAITMARKED)
+	if (confflags & CONFFLAG_WAITMARKED && !conf->markedusers)
 		ztc.confmode = ZT_CONF_CONF;
 	else if (confflags & CONFFLAG_MONITOR)
 		ztc.confmode = ZT_CONF_CONFMON | ZT_CONF_LISTENER;