v0.2.55..v0.2.56 changeset JosmMapCleaner.h

diff --git a/hoot-josm/src/main/cpp/hoot/core/josm/ops/JosmMapCleaner.h b/hoot-josm/src/main/cpp/hoot/core/josm/ops/JosmMapCleaner.h
index 3680d7c..de403f6 100644
--- a/hoot-josm/src/main/cpp/hoot/core/josm/ops/JosmMapCleaner.h
+++ b/hoot-josm/src/main/cpp/hoot/core/josm/ops/JosmMapCleaner.h
@@ -55,6 +55,7 @@ public:
   static std::string className() { return "hoot::JosmMapCleaner"; }
 
   JosmMapCleaner();
+  virtual ~JosmMapCleaner() = default;
 
   /**
    * @see OsmMapOperation