clarify that "result" is undefined in case of failure (we had reports of developers trying to ldap_msgfree() it)

Don't clobber sml_type when converting SLAPI mods

modifications to be applied by the backend atomically with a modify
RDN request.

Handle updating of RDN values in frontend.

Code that calls a backend's be_modrdn should call slap_modrdn2mods(op, rs)
before invoking the backend and cleanup with slap_mods_free( op->orr_modlist, 1 ).
See do_modrdn() for an example.

in connection_fake_init()) too)

where merge controls was not called)