Merge r1774609 from trunk:

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.

Submitted by: rjung
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1774643 13f79535-47bb-0310-9956-ffa450edef68