On the reuse-ra-session branch: Update docstring.
On the reuse-ra-session branch: Update docstring.

* subversion/include/private/svn_client_private.h
  (svn_client__ra_session_from_path2): Update docstring to reflect actual
   behavior when RA session will be reused.


git-svn-id: e84a316744199a3455081dfc07023ba2eb93344a@1658951 13f79535-47bb-0310-9956-ffa450edef68

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