Although this patch is technically correct, I'm not happy with

Although this patch is technically correct, I'm not happy with
the way it gets things done. OTOH, it is a simple enough change
to get things working correctly for now. I will come up with
the right way to do this in the next couple days.

This patch re-enables the use of anonymous shared memory in the
scoreboard on platforms that have it.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92978 13f79535-47bb-0310-9956-ffa450edef68