Observed a core dump because a ipaddr_chain struct contains

a NULL-"server" pointer when being dereferenced by invoking "httpd -S".
See Message-ID: <20010213231854.A20932@deejai2.mch.fsc.net>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@88149 13f79535-47bb-0310-9956-ffa450edef68