Introduce a special 'add file' editor callback for updates of incoming moves.
Introduce a special 'add file' editor callback for updates of incoming moves.

* subversion/libsvn_wc/wc_db_update_move.c
  (tc_editor_incoming_add_file): New. Adds a file to the incoming moved tree,
   based on paths and file content provided by the driver.
  (update_incoming_moved_node): Prepare file content and call new function.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1771332 13f79535-47bb-0310-9956-ffa450edef68

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