v0.2.55..v0.2.56 changeset CookieCutterOp.h

diff --git a/hoot-core/src/main/cpp/hoot/core/ops/CookieCutterOp.h b/hoot-core/src/main/cpp/hoot/core/ops/CookieCutterOp.h
index dff0c6d..d4beb4f 100644
--- a/hoot-core/src/main/cpp/hoot/core/ops/CookieCutterOp.h
+++ b/hoot-core/src/main/cpp/hoot/core/ops/CookieCutterOp.h
@@ -47,6 +47,7 @@ public:
   static std::string className() { return "hoot::CookieCutterOp"; }
 
   CookieCutterOp();
+  virtual ~CookieCutterOp() = default;
 
   virtual void apply(std::shared_ptr<OsmMap>& map) override;