Replace some deprecated calls in libsvn_client with calls to the
newer functions.

* subversion/libsvn_client/cat.c
  (svn_client__get_normalized_stream): Update caller.

* subversion/libsvn_client/cmdline.c
  (svn_client_args_to_target_array2): Update caller.

* subversion/libsvn_client/commit.c
  (check_nonrecursive_dir_delete): Update caller.

* subversion/libsvn_client/commit_util.c
  (harvest_not_present_for_copy): Update caller.

* subversion/libsvn_client/copy_foreign.c
  (svn_client__copy_foreign): Update caller.

* subversion/libsvn_client/diff.c
  (diff_wc_wc,
   diff_repos_wc,
   diff_summarize_wc_wc): Update caller.

* subversion/libsvn_client/externals.c
  (switch_file_external,
   handle_external_item_removal,
   svn_client__handle_externals): Update caller.

* subversion/libsvn_client/merge.c
  (insert_parent_and_sibs_of_sw_absent_del_subtree,
   get_mergeinfo_paths,
   log_find_operative_subtree_revs,
   flag_subtrees_needing_mergeinfo,
   record_mergeinfo_for_added_subtrees,
   ensure_wc_is_suitable_merge_target,
   get_target_and_lock_abspath): Update caller.

* subversion/libsvn_client/ra.c
  (svn_client__ra_get_copysrc_kind): Update caller.

* subversion/libsvn_client/status.c
  (svn_client_status5): Update caller.

* subversion/libsvn_client/switch.c
  (switch_internal): Update caller.

* subversion/libsvn_client/update.c
  (update_internal): Update caller.

* subversion/libsvn_client/upgrade.c
  (svn_client_upgrade): Update caller.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1449565 13f79535-47bb-0310-9956-ffa450edef68