CID 340477: Control flow issues (DEADCODE)

It seems that 18cc459e made some of the code a dead code:

*** CID 340477:  Control flow issues  (DEADCODE)
/lib/dns/adb.c: 982 in import_rdataset()
976     		}
977     		nh = NULL;
978     		result = dns_rdataset_next(rdataset);
979     	}
980     
981     	if (nh != NULL) {
>>>     CID 340477:  Control flow issues  (DEADCODE)
>>>     Execution cannot reach this statement: "free_adbnamehook(adb, &nh);".
982     		free_adbnamehook(adb, &nh);
983     	}
984     
985     	if (addr_bucket != DNS_ADB_INVALIDBUCKET) {
986     		UNLOCK(&adb->entrylocks[addr_bucket]);
987     	}

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