Fix issue #1201: 'svn up -r N' would result in an incomprehensible error message over ra_dav, if N were a revision in which the current working copy directory did not exist.
Fix issue #1201: 'svn up -r N' would result in an incomprehensible
error message over ra_dav, if N were a revision in which the current
working copy directory did not exist.

Many thanks to James Lamanna for his investigations, which made this
an easy fix.

* subversion/mod_dav_svn/update.c
  (dav_svn__update_report): If svn_repos_finish_report returns an
    error, then convert it and return immediately.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@845659 13f79535-47bb-0310-9956-ffa450edef68

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