If none of the standard group names was found in /etc/group,

configure would generate a line like
  conf_group       = #-1
in the Makefile. But as this is an empty assignment (# is the
comment start), the resulting httpd.conf was unusable. Set
the group to "#-1" instead.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@83935 13f79535-47bb-0310-9956-ffa450edef68