name/number tree: explicitly declare default destructors

Jay Berkenbilt
1 parent 4f103c61
Showing 3 changed files with 3 additions and 0 deletions
include/qpdf/QPDFNameTreeObjectHelper.hh
include/qpdf/QPDFNumberTreeObjectHelper.hh
libqpdf/qpdf/NNTree.hh
@@ -79,6 +79,7 @@ class QPDFNameTreeObjectHelper: public QPDFObjectHelper
     {
         friend class QPDFNameTreeObjectHelper;
       public:
+        virtual ~iterator() = default;
         QPDF_DLL
         bool valid() const;
         QPDF_DLL
@@ -98,6 +98,7 @@ class QPDFNumberTreeObjectHelper: public QPDFObjectHelper
     {
         friend class QPDFNumberTreeObjectHelper;
       public:
+        virtual ~iterator() = default;
         QPDF_DLL
         bool valid() const;
         QPDF_DLL
@@ -23,6 +23,7 @@ class NNTreeIterator: public std::iterator&lt;
 {
     friend class NNTreeImpl;
   public:
+    virtual ~NNTreeIterator() = default;
     bool valid() const;
     NNTreeIterator& operator++();
     NNTreeIterator operator++(int)