[PATCH] Fix some deprecation warnings

Log:
Resolve some deprecation warnings and some formatting changes.

* subversion/libsvn_ra_neon/commit.c
 (get_version_url, create_activity, commit_delete_entry, commit_add_dir,
  commit_add_file, commit_close_file):
  Use `svn_path_url_add_component2()'.
 (add_child): Use `svn_path_url_add_component2()' and `svn_uri_join()'.
 (checkout_resource): Use `svn_relpath_local_style()'.
 (get_child_tokens): Use `svn_uri_is_child()'.

Patch by: Kannan R <kannanr_at_collab.net>

-- 
Regards,
Kannan
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