Backport from HEAD:

  * modules/dav/fs/lock.c (dav_size_indirect): Fix indirect lock record
  handling on 64-bit platforms: use correct size of apr_datum_t.dsize
  field.

  * modules/dav/fs/lock.c (dav_fs_refresh_locks): Fix SEGV on refresh of
  indirect lock.

PR: 31183
Reviewed by: jerenkrantz, striker


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@105125 13f79535-47bb-0310-9956-ffa450edef68