Merge branch 'master' of ssh://git.bind10.isc.org/var/bind10/git/bind10

src/lib/dns/rrset_collection_base.h

@@ -72,6 +72,8 @@ protected:
     /// iterator only.
     class Iter {
     public:
+        virtual ~Iter() {};
+
         /// \brief Returns the \c AbstractRRset currently pointed to by
         /// the iterator.
         virtual const isc::dns::AbstractRRset& getValue() = 0;