Fix svn_repos_dir_delta() in python bindings to work.  This still doesn't  give us authz support.  But it makes it work.
Fix svn_repos_dir_delta() in python bindings to work.  This still doesn't 
give us authz support.  But it makes it work.

* subversion/bindings/swig/svn_repos.i
  Ignore the authz_read_func and authz_read_baton arguments to
  svn_repos_dir_delta.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion