mod_include's fsize/flastmod should allow only relative paths, just

like "include file".

This bug was introduced during the 1.98 -> 1.99 rev of mod_include.

Submitted by:	Jaroslav Benkovsky <benkovsk@pha.pvt.cz>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@83182 13f79535-47bb-0310-9956-ffa450edef68