Fix Win32 part of ap_spawn_child() by providing a reasonable child_info

structure instead of just NULL. This fixes at least the RewriteMap
programs under Win32.

Submitted by: Marco De Michele <mdemichele@tin.it>
Reviewed by: Ralf S. Engelschall
PR: 2483


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81826 13f79535-47bb-0310-9956-ffa450edef68