v0.2.55..v0.2.56 changeset AttributeScoreExtractor.h

diff --git a/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/AttributeScoreExtractor.h b/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/AttributeScoreExtractor.h
index 07797d1..b94c13e 100644
--- a/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/AttributeScoreExtractor.h
+++ b/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/AttributeScoreExtractor.h
@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. DigitalGlobe
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2015, 2017, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2015, 2017, 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
  */
 #ifndef ATTRIBUTESCOREEXTRACTOR_H
 #define ATTRIBUTESCOREEXTRACTOR_H
@@ -46,6 +46,7 @@ public:
   AttributeScoreExtractor(ValueAggregatorPtr wayAgg, bool useWeight = false);
 
   AttributeScoreExtractor(bool useWeight = false);
+  virtual ~AttributeScoreExtractor() = default;
 
   virtual std::string getClassName() const override { return className(); }