Finish part 2 (of 2) of issue #2258.  Teach mod_dav_svn not to send <txdelta> directives when not in "send-all" mode.
Finish part 2 (of 2) of issue #2258.  Teach mod_dav_svn not to send
<txdelta> directives when not in "send-all" mode.

* subversion/mod_dav_svn/update.c
  (upd_apply_textdelta): If not in "send-all" mode, use the dummy
    window handler so not <txdelta> directive gets sent.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@853907 13f79535-47bb-0310-9956-ffa450edef68

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