(svn_delta_edit_fns_t): removed `add_root', leaving just `replace_root'.  Because there is always a root directory, though it might need an arbitrary amount of preparation, depending on whose editor this is.
(svn_delta_edit_fns_t): removed `add_root', leaving just
`replace_root'.  Because there is always a root directory, though it
might need an arbitrary amount of preparation, depending on whose
editor this is.

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