fixed bug in link error reporting/recovery

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1539760 13f79535-47bb-0310-9956-ffa450edef68
rolled back premature fix

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1539761 13f79535-47bb-0310-9956-ffa450edef68