v0.2.55..v0.2.56 changeset ElementCriterionInputStream.h

diff --git a/hoot-core/src/main/cpp/hoot/core/io/ElementCriterionInputStream.h b/hoot-core/src/main/cpp/hoot/core/io/ElementCriterionInputStream.h
index 695696d..b5d8ac4 100644
--- a/hoot-core/src/main/cpp/hoot/core/io/ElementCriterionInputStream.h
+++ b/hoot-core/src/main/cpp/hoot/core/io/ElementCriterionInputStream.h
@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. DigitalGlobe
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2017, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2017, 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
  */
 #ifndef ELEMENTCRITERIONINPUTSTREAM_H
 #define ELEMENTCRITERIONINPUTSTREAM_H
@@ -47,6 +47,7 @@ public:
    */
   ElementCriterionInputStream(const ElementInputStreamPtr& elementSource,
                               const ElementCriterionPtr& criterion);
+  virtual ~ElementCriterionInputStream() = default;
 
   /**
    * @brief close