v0.2.55..v0.2.56 changeset LanguageDetector.h

diff --git a/hoot-core/src/main/cpp/hoot/core/language/LanguageDetector.h b/hoot-core/src/main/cpp/hoot/core/language/LanguageDetector.h
index 2cca448..919d0b4 100644
--- a/hoot-core/src/main/cpp/hoot/core/language/LanguageDetector.h
+++ b/hoot-core/src/main/cpp/hoot/core/language/LanguageDetector.h
@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. DigitalGlobe
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
  */
 
 
@@ -47,6 +47,9 @@ public:
 
   static std::string className() { return "hoot::LanguageDetector"; }
 
+  LanguageDetector() = default;
+  virtual ~LanguageDetector() = default;
+
   /**
    * Detects the source language of text
    *