v0.2.55..v0.2.56 changeset MaxWordSetDistance.h

diff --git a/hoot-core/src/main/cpp/hoot/core/algorithms/string/MaxWordSetDistance.h b/hoot-core/src/main/cpp/hoot/core/algorithms/string/MaxWordSetDistance.h
index e25ab66..4c16dbd 100644
--- a/hoot-core/src/main/cpp/hoot/core/algorithms/string/MaxWordSetDistance.h
+++ b/hoot-core/src/main/cpp/hoot/core/algorithms/string/MaxWordSetDistance.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 MAXWORDSETDISTANCE_H
 #define MAXWORDSETDISTANCE_H
@@ -44,7 +44,8 @@ public:
   static std::string className() { return "hoot::MaxWordSetDistance"; }
 
   MaxWordSetDistance(StringDistancePtr d);
-  MaxWordSetDistance() {}
+  MaxWordSetDistance() = default;
+  virtual ~MaxWordSetDistance() = default;
 
   virtual double compare(const QString& s1, const QString& s2) const override;