Include directives no longer refuse to process symlinks on

directories. Instead there's now a maximum nesting level
of included directories (128 as distributed). This is configurable
at compile time using the -DAP_MAX_INCLUDE_DIR_DEPTH switch.

PR: 28492
Reviewed by: Justin Erenkrantz, Joe Orton


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@104862 13f79535-47bb-0310-9956-ffa450edef68