v0.2.55..v0.2.56 changeset BufferedOverlapExtractor.h

diff --git a/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/BufferedOverlapExtractor.h b/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/BufferedOverlapExtractor.h
index 3b756a1..de91f36 100644
--- a/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/BufferedOverlapExtractor.h
+++ b/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/BufferedOverlapExtractor.h
@@ -54,6 +54,7 @@ class BufferedOverlapExtractor : public FeatureExtractorBase, public Configurabl
 public:
 
   BufferedOverlapExtractor();
+  virtual ~BufferedOverlapExtractor() = default;
   /**
    * Similar to OverlapExtractor, but the objects are buffered before the overlap is calculated.
    *