Handle iterator options in rpsdb_allrdatasets()

Commit 7695c36a5d added a new parameter,
'options', to the prototype of the 'allrdatasets' function pointer in
struct dns_dbmethods.  Handle this new parameter accordingly in
rpsdb_allrdatasets().

lib/dns/dnsrps.c

@@ -624,7 +624,8 @@ rpsdb_finddb(dns_db_t *db, const dns_name_t *name, dns_dbversion_t *version,
 
 static isc_result_t
 rpsdb_allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
-		   isc_stdtime_t now, dns_rdatasetiter_t **iteratorp) {
+		   unsigned int options, isc_stdtime_t now,
+		   dns_rdatasetiter_t **iteratorp) {
 	rpsdb_t *rpsdb = (rpsdb_t *)db;
 	rpsdb_rdatasetiter_t *rpsdb_iter;
 
@@ -640,6 +641,7 @@ rpsdb_allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 		.common= {.magic = DNS_RDATASETITER_MAGIC,
 			.methods = &rpsdb_rdatasetiter_methods,
 			.db = db,
+			.options = options,
 		},
 	};