Avoid shell-meta fun when constructing a test WC path.
Avoid shell-meta fun when constructing a test WC path.

* subversion/tests/cmdline/update_tests.py
  (update_wc_on_windows_drive): Use '/' to construct the WC path.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion