Fix perchild MPM so that it can be configured with the move to the

experimental directory.  Fix perchild MPM so that it uses ap_gname2id
for groups instead of ap_uname2id.

Submitted by: Scott Lamb <slamb@slamb.org>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@94760 13f79535-47bb-0310-9956-ffa450edef68