* modules/ldap/util_ldap.c (util_ldap_post_config): Pass NULL to

apr_global_mutex_create if no cache file name is specified, rather
than inventing an inappropriate name with tmpnam().

PR: 30385


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@227230 13f79535-47bb-0310-9956-ffa450edef68