Ensure that the file-based shm file is removed...

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1540051 13f79535-47bb-0310-9956-ffa450edef68
UDS urls need to be desockified when configuring...

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1540052 13f79535-47bb-0310-9956-ffa450edef68