v0.2.54..v0.2.55 changeset PoiPolygonTagIgnoreListReader.h

diff --git a/hoot-core/src/main/cpp/hoot/core/conflate/poi-polygon/PoiPolygonTagIgnoreListReader.h b/hoot-core/src/main/cpp/hoot/core/conflate/poi-polygon/PoiPolygonTagIgnoreListReader.h
index 633ac6b..d390327 100644
--- a/hoot-core/src/main/cpp/hoot/core/conflate/poi-polygon/PoiPolygonTagIgnoreListReader.h
+++ b/hoot-core/src/main/cpp/hoot/core/conflate/poi-polygon/PoiPolygonTagIgnoreListReader.h
@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. DigitalGlobe
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2017, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2017, 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
  */
 #ifndef POIPOLYGONTAGIGNORELISTREADER_H
 #define POIPOLYGONTAGIGNORELISTREADER_H
@@ -49,8 +49,11 @@ public:
 private:
 
   PoiPolygonTagIgnoreListReader();
-
-  static std::shared_ptr<PoiPolygonTagIgnoreListReader> _theInstance;
+  /** Default destructor */
+  ~PoiPolygonTagIgnoreListReader() = default;
+  /** Delete copy constructor and assignment operator */
+  PoiPolygonTagIgnoreListReader(const PoiPolygonTagIgnoreListReader&) = delete;
+  PoiPolygonTagIgnoreListReader& operator=(const PoiPolygonTagIgnoreListReader&) = delete;
 
   QStringList _poiTagIgnoreList;
   QStringList _polyTagIgnoreList;