548533 - memory leak in Repl_5_Inc_Protocol_new
    
    https://bugzilla.redhat.com/show_bug.cgi?id=548533
    
    Description: repl5_inc_delete and repl5_tot_delete to release the
    incremental and total update protocol were not implemented.  This
    fix implemented them.  Also, it fixed a leak of connection in
    private_protocol_factory.