Remove the implicit path (grabbed from the PDH) in favor of a WCROOT and an explicit path when computing the rel path.
Remove the implicit path (grabbed from the PDH) in favor of a WCROOT and
an explicit path when computing the rel path.

* subversion/libsvn_wc/wc_db_pdh.c
  (compute_relpath): Take WCROOT/abspath args.
  (svn_wc__db_pdh_parse_local_abspath): Update callers.

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