mod_cache: Fix uri_meets_conditions() so that CacheEnable will

match by scheme, or by a wildcarded hostname.
PR: 40169
Submitted by: Peter Grandi <pg_asf asf.for.sabi.co.uk>
Reviewed by: Graham Leggett


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@821333 13f79535-47bb-0310-9956-ffa450edef68