updated due to dns_master_load syntax change

bin/tests/master/dns_master_load_1_data

@@ -2,10 +2,11 @@
 # test data for dns_master_load test 1
 #
 # format is:
-#	<masterfile name><tab><origin><tab><expected result>
+#	masterfile origin class expected_result
 # where
 #	masterfile name is the name of a file containing master data
 #	origin is the origin
+#	class is the zone's class
 # 	expected_result is a text representation of a dns_result_t
 #
-master1.data	test	DNS_R_SUCCESS
+master1.data	test	in	DNS_R_SUCCESS