Add ../generators to include path for Windows

build of mod_socache_memcache. It now needs
mod_status.h.

Untested but exactly analogous to what works for
mod_socache_shmcb and others.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1774609 13f79535-47bb-0310-9956-ffa450edef68