PORT: DSO/ELF support for FreeBSD 3.0.

Submitted by: Ralf S. Engelschall, Dirk Froemberg <ibex@physik.TU-Berlin.DE>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@82291 13f79535-47bb-0310-9956-ffa450edef68