Added another note about Windows due to the recent changes in windows.xml.

Submitted by: Iikka Meril�inen <Iikka.Merilainen@pato.vaala.fi>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@98021 13f79535-47bb-0310-9956-ffa450edef68