Ev2 shims: Handle the txdelta when we don't have a delta base, i.e. in the case of added files.
Ev2 shims: Handle the txdelta when we don't have a delta base, i.e. in the case
of added files.

Number of test failures: 1058

* subversion/libsvn_delta/compat.c
  (handler_baton, window_handler): New.
  (ev2_apply_textdelta): Create and return a window handler and baton.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1205269 13f79535-47bb-0310-9956-ffa450edef68

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