small fix... don't try to check conference details if it couldn't be created or found

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@18088 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_meetme.c

@@ -1,7 +1,7 @@
 /*
  * Asterisk -- An open source telephony toolkit.
  *
- * Copyright (C) 1999 - 2005, Digium, Inc.
+ * Copyright (C) 1999 - 2006, Digium, Inc.
  *
  * Mark Spencer <markster@digium.com>
  *
@@ -1697,6 +1697,7 @@ static struct ast_conference *find_conf(struct ast_channel *chan, char *confno,
 			dynamic_pin[0] = '\0';
 	}
 
+	if (cnf) {
 		if (confflags && !cnf->chan &&
 		    !ast_test_flag(confflags, CONFFLAG_QUIET) &&
 		    ast_test_flag(confflags, CONFFLAG_INTROUSER)) {
@@ -1709,6 +1710,7 @@ static struct ast_conference *find_conf(struct ast_channel *chan, char *confno,
 			ast_log(LOG_WARNING, "No Zap channel available for conference, conference recording disabled (is chan_zap loaded?)\n");
 			ast_clear_flag(confflags, CONFFLAG_RECORDCONF);
 		}
+	}
 
 	return cnf;
 }