backport r951235 and r951237 from trunk:

  *) mod_ldap: LDAP caching was suppressed (and ldap-status handler returns
     title page only) when any mod_ldap directives were used in VirtualHost
     context.  [Eric Covener]

Reviewed By: covener, wrowe, trawick



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@963086 13f79535-47bb-0310-9956-ffa450edef68