fix for: https://issues.apache.org/jira/browse/AMQCPP-489

git-svn-id: https://svn.apache.org/repos/asf/activemq/activemq-cpp/branches/3.7.x@1491829 13f79535-47bb-0310-9956-ffa450edef68


git-svn-id: https://svn.apache.org/repos/asf/activemq/activemq-cpp/branches/3.7.x@1491830 13f79535-47bb-0310-9956-ffa450edef68