Fix automatic relocate during update for working copies that are
not at repository root.

* subversion/libsvn_client/update.c
  (update_internal): Relocate with root URL rather than anchor URL.

* subversion/tests/cmdline/redirect_tests.py:
  (redirected_nonroot_update): Remove XFAIL.

Patch by: Ryan Mulder <ryan.j.mulder{_AT_}gmail.com>


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1545302 13f79535-47bb-0310-9956-ffa450edef68