Don't accidentally mark an error as marshalled.
Don't accidentally mark an error as marshalled.

* subversion/libsvn_ra_dav/util.c
  (end_err_element): Only set 'err' and 'marshalled_error'
   if we actually have an error.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@862510 13f79535-47bb-0310-9956-ffa450edef68

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