Fix pristine location finder for sharded single db and non '/' paths.
Fix pristine location finder for sharded single db and non '/' paths.

* subversion/tests/cmdline/svntest/wc.py
  (text_base_path): Update location calculation.

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