v0.2.48..v0.2.49 changeset TagCriterion.h

diff --git a/hoot-core/src/main/cpp/hoot/core/criterion/TagCriterion.h b/hoot-core/src/main/cpp/hoot/core/criterion/TagCriterion.h
index fecd6bd..b364777 100644
--- a/hoot-core/src/main/cpp/hoot/core/criterion/TagCriterion.h
+++ b/hoot-core/src/main/cpp/hoot/core/criterion/TagCriterion.h
@@ -60,6 +60,8 @@ public:
   virtual QString getDescription() const
   { return "Identifies elements containing a specified tag key/value combination"; }
 
+  virtual QString toString() const override;
+
 private:
 
   QStringList _kvps;