If the search fails due to a bad connection, make sure that we unbind the...

If the search fails due to a bad connection, make sure that we unbind the connection so that it will be recreated the next time it is used.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@155713 13f79535-47bb-0310-9956-ffa450edef68