Marshalled errors have the lowest priority, even if we already encountered one but encounter an internal error later.
Marshalled errors have the lowest priority, even if we already encountered one
but encounter an internal error later.

* subversion/libsvn_ra_dav/ra_dav.h
  (SVN_RA_DAV__REQ_ERR): Overwrite marshalled errors, clearing them
   before actually doing so.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@862816 13f79535-47bb-0310-9956-ffa450edef68

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