CID 331477: Resource leaks (RESOURCE_LEAK)

This seems to be a result of fa05c1b8:

*** CID 331477:  Resource leaks  (RESOURCE_LEAK)
/lib/dns/dst_api.c: 653 in dst_key_fromnamedfile()
647     		return (ISC_R_SUCCESS);
648     	}
649     
650     	result = algorithm_status(pubkey->key_alg);
651     	if (result != ISC_R_SUCCESS) {
652     		dst_key_free(&pubkey);
>>>     CID 331477:  Resource leaks  (RESOURCE_LEAK)
>>>     Variable "statefilename" going out of scope leaks the storage it points to.
653     		return (result);
654     	}
655     
656     	key = get_key_struct(pubkey->key_name, pubkey->key_alg,
657     			     pubkey->key_flags, pubkey->key_proto,
658     			     pubkey->key_size, pubkey->key_class,