Fix several semanage issue (#1247714)
    
    Fixes:
     # semanage boolean -m --on polyinstantiation_enabled
     ValueError: Boolean polyinstantiation_enabled is not defined
    
     # semanage login -a -s staff_u -r s0-s0:c0.c1023 yeti
     libsemanage.dbase_llist_query: could not query record value (No such
     file or directory).
     FileNotFoundError: [Errno 2] No such file or directory