* Add apr_hash_this_key(), apr_hash_this_key_len(), and
  apr_hash_this_val() for easier access to those attributes from
  a hash iterator.

PR: 49065
Submitted by: Hyrum K. Wright <hyrum_wright mail.utexas.edu>
Reviewed by: trawick, wrowe
Backport by: rjung

Backport of r931973 from trunk.

* test/testhash.c (dump_hash): Fix compiler warning due to lack of const.

Submitted by: jorton
Backport by: rjung

Backport of r951771 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/apr/apr/branches/1.5.x@1462461 13f79535-47bb-0310-9956-ffa450edef68