[Reverted in r38772]
[Reverted in r38772]

Stop assuming we are already at one database per working copy.
This fixes externals_tests.py 16.

* subversion/libsvn_wc/wc_db.c
  (parse_local_abspath): Don't just copy the wcroot value to all parent PDHs,
    that don't have their own wcroot. In the current situation we still have
    one wcroot per directory.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@878844 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion