Fix a bug in how we select the IP for the POD to connect to for dummy

connects (dislodging a doomed child from the accept mutex). No longer
do we assume that the child is listening to 127.0.0.1, but instead
we just pick the first hostname/port from the listen rec.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92437 13f79535-47bb-0310-9956-ffa450edef68