Add a client-side workaround for an svnserve properties bug
in 1.8.0-1.8.8.

* subversion/libsvn_ra_svn/protocol
  (get-file, get-dir): Update to match released implementation.

* subversion/libsvn_ra_svn/client.c
  (ra_svn_get_dir): Send want-iprops as "false".

* subversion/libsvn_ra_svn/marshal.c
  (svn_ra_svn__write_cmd_get_file): Send want-iprops as "false".


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1586122 13f79535-47bb-0310-9956-ffa450edef68