Virtual destructor added to interface classes

[stg.git] / include / stg / tariffs.h

diff --git a/include/stg/tariffs.h b/include/stg/tariffs.h
index 515e76088f1322fce2b153c56967c5ea8c7ae19d..9a35f6458145dfde2334c678733515e877392e20 100644 (file)
--- a/include/stg/tariffs.h
+++ b/include/stg/tariffs.h
@@ -32,6 +32,7 @@ struct TARIFF_DATA;
 
 class TARIFFS {
 public:
+    virtual ~TARIFFS() {}
     virtual int ReadTariffs () = 0;
     virtual const TARIFF * FindByName(const std::string & name) const = 0;
     virtual const TARIFF * GetNoTariff() const = 0;