Prevent the access violation reported here: https://www.crash-server.com/Problem.aspx?ClientID=tsvn&ProblemID=1015
Prevent the access violation reported here:
https://www.crash-server.com/Problem.aspx?ClientID=tsvn&ProblemID=1015

* subversion/libsvn_wc/node.c
  (svn_wc__internal_get_origin): svn_wc__db_scan_addition may return a NULL
   original_repos_relpath according to its docstring. Check for that 
   condition before accessing the path.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1368065 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion