QPID-5330: Typo in original checkin

[Original SVN change: https://svn.apache.org/repos/asf/qpid/trunk@1541765]

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/0.26@1545346 13f79535-47bb-0310-9956-ffa450edef68