[master] disallow delzone on policiy zones

4311.	[bug]		Prevent "rndc delzone" from being used on
			response-policy zones. [RT #41593]

bin/tests/system/addzone/ns2/named2.conf

@@ -14,8 +14,6 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: named2.conf,v 1.5 2011/06/17 23:47:49 tbox Exp $ */
-
 controls { /* empty */ };
 
 include "../../common/controls.conf";
@@ -33,10 +31,17 @@ view internal {
 	allow-new-zones no;
         recursion yes;
 
+	response-policy { zone "policy"; };
+
 	zone "." {
 		type hint;
 		file "../../common/root.hint";
 	};
+
+	zone "policy" {
+		type master;
+		file "normal.db";
+	};
 };
 
 view external {
@@ -54,9 +59,9 @@ view external {
 acl match { none; };
 acl nobody { none; };
 view extra {
-        match-clients { match; };
-        allow-new-zones yes;
-        allow-transfer { nobody; };
-        allow-query { nobody; };
-        allow-recursion { nobody; };
+	match-clients { match; };
+	allow-new-zones yes;
+	allow-transfer { nobody; };
+	allow-query { nobody; };
+	allow-recursion { nobody; };
 };