made copy ctor and operator= private, assuming that's the intent.

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1032 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/dns/cpp/rrsetlist.h

@@ -76,7 +76,11 @@ private:
 };
 
 class RRsetList {
+private:
+    RRsetList(const RRsetList& source);
+    RRsetList& operator=(const RRsetList& source);
 public:
+    RRsetList() {}
     void addRRset(RRsetPtr new_rrsetptr);
     RRsetPtr findRRset(const RRType& rrtype,
                             const RRClass& rrclass = RRClass::IN());