Remove a redundant stream.  Because we're chaining the checksum streams together, and their output locations are specified at creation time, we don't need to track the intermediate stream during its lifetime.
Remove a redundant stream.  Because we're chaining the checksum streams
together, and their output locations are specified at creation time, we don't
need to track the intermediate stream during its lifetime.

* subversion/libsvn_wc/update_editor.c
  (handler_baton): Remove sha1- and md5-specific source checksums, replaced by
    a single source checksum stream.
  (window_handler): Close the single source chucksum stream.
  (apply_textdelta): Chain the streams together, and don't worry about the
    intermediate one.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@880434 13f79535-47bb-0310-9956-ffa450edef68

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