 - Fix thread-safety issue in blocking/waiting alert sheets, addressing crashes ( http://spbug.com/l/2035 ), particularly under Lion
 - Fix thread-safety issue in blocking/waiting alert sheets, addressing crashes ( http://spbug.com/l/2035 ), particularly under Lion

prabowomurti/sequel-pro,prabowomurti/sequel-pro,prabowomurti/sequel-pro,prabowomurti/sequel-pro,prabowomurti/sequel-pro