Do not cache responses to GET requests with query

URLs if the origin server does not explicitly provide an
Expires header on the response (RFC 2616 Section 13.9)

Submitted by:	Kris Verbeeck <krisv@be.ubizen.com>
Reviewed by:	Bill Stoddard


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@96772 13f79535-47bb-0310-9956-ffa450edef68