Merge r105412 from trunk:

* modules/ldap/util_ldap.c (util_ldap_child_init): Don't segfault if
the cache has been disabled (when _cache_lock == NULL).
(util_ldap_post_config): Set mutex permissions if necessary.

Reviewed by: jorton, minfrin, wrowe


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@231006 13f79535-47bb-0310-9956-ffa450edef68