v0.2.55..v0.2.56 changeset ElementData.h

diff --git a/hoot-core/src/main/cpp/hoot/core/elements/ElementData.h b/hoot-core/src/main/cpp/hoot/core/elements/ElementData.h
index db1dda2..601f7d4 100644
--- a/hoot-core/src/main/cpp/hoot/core/elements/ElementData.h
+++ b/hoot-core/src/main/cpp/hoot/core/elements/ElementData.h
@@ -59,7 +59,7 @@ public:
   static bool VISIBLE_EMPTY;
   static double CIRCULAR_ERROR_EMPTY;
 
-  virtual ~ElementData() {}
+  virtual ~ElementData() = default;
 
   virtual void clear() { _tags.clear(); }