For Ev2 compat: build a tree node for making directories, and add a simple tree walker (which is completely gutless right now).
For Ev2 compat: build a tree node for making directories, and add a simple
tree walker (which is completely gutless right now).

* subversion/libsvn_delta/compat.c
  (add_directory_cb): Build a tree node for this action.
  (drive): New.
  (complete_cb): Call the new driver.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1185394 13f79535-47bb-0310-9956-ffa450edef68

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