Properly initialize the flock structures used by the mutex locking

around accept() when USE_FCNTL_SERIALIZED_ACCEPT is defined.

Submitted by: Marc Slemko
Reviewed by: Roy Fielding, Dean Gaudet


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@78122 13f79535-47bb-0310-9956-ffa450edef68