* subversion/include/svn_error.h   (svn_error_root_cause): Document that the returned error should not     be cleared, just like in svn_error_find_cause.
* subversion/include/svn_error.h
  (svn_error_root_cause): Document that the returned error should not
    be cleared, just like in svn_error_find_cause.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1585921 13f79535-47bb-0310-9956-ffa450edef68

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