Ev2 shims: Add a no-op shim callback registration function for ra_local.
Ev2 shims: Add a no-op shim callback registration function for ra_local.

* subversion/libsvn_ra_local/ra_plugin.c
  (svn_ra_local__register_editor_shim_callbacks): New.
  (ra_local_vtable): Add new callback to the vtable.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1291568 13f79535-47bb-0310-9956-ffa450edef68

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