v0.2.55..v0.2.56 changeset ConstOsmMapOperation.h

diff --git a/hoot-core/src/main/cpp/hoot/core/ops/ConstOsmMapOperation.h b/hoot-core/src/main/cpp/hoot/core/ops/ConstOsmMapOperation.h
index c95958d..5de9036 100644
--- a/hoot-core/src/main/cpp/hoot/core/ops/ConstOsmMapOperation.h
+++ b/hoot-core/src/main/cpp/hoot/core/ops/ConstOsmMapOperation.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 CONSTOSMMAPOPERATION_H
 #define CONSTOSMMAPOPERATION_H
@@ -43,7 +43,8 @@ public:
 
   static std::string className() { return "hoot::ConstOsmMapOperation"; }
 
-  virtual ~ConstOsmMapOperation() {}
+  ConstOsmMapOperation() = default;
+  virtual ~ConstOsmMapOperation() = default;
 
   virtual void apply(std::shared_ptr<OsmMap>& map)
   { apply((const std::shared_ptr<OsmMap>&)map); }