Merge r1231255, r1231257 from trunk:

  *) mod_authnz_ldap: Don't try a potentially expensive nested groups
     search before exhausting all AuthLDAPGroupAttribute checks on the
     current group. PR52464



whitespace only: shift a block refactored in r1231255 over 8 spaces.


Submitted by: covener
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1374256 13f79535-47bb-0310-9956-ffa450edef68