winnt_mpm: Resolve modperl issues by redirecting console mode stdout

to /Device/Nul as the server is starting up, mirroring unix MPM's.

PR: 43534

Submitted by: Tom Donovan <Tom.Donovan acm.org> and William Rowe

Backports: r609354, r609366

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@609715 13f79535-47bb-0310-9956-ffa450edef68