v0.2.55..v0.2.56 changeset EdgeMatchSet.h

diff --git a/hoot-core/src/main/cpp/hoot/core/conflate/network/EdgeMatchSet.h b/hoot-core/src/main/cpp/hoot/core/conflate/network/EdgeMatchSet.h
index 962446d..567cc61 100644
--- a/hoot-core/src/main/cpp/hoot/core/conflate/network/EdgeMatchSet.h
+++ b/hoot-core/src/main/cpp/hoot/core/conflate/network/EdgeMatchSet.h
@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. DigitalGlobe
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2016, 2017, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2016, 2017, 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
  */
 #ifndef __EDGE_MATCH_SET_H__
 #define __EDGE_MATCH_SET_H__
@@ -35,7 +35,9 @@ namespace hoot
 class EdgeMatchSet
 {
 public:
-  virtual ~EdgeMatchSet() {}
+
+  EdgeMatchSet() = default;
+  virtual ~EdgeMatchSet() = default;
 
   virtual bool contains(const ConstEdgeMatchPtr &em) const = 0;