--- linuxsampler/trunk/src/drivers/DeviceParameter.h	2007/06/22 09:59:57	1247
+++ linuxsampler/trunk/src/drivers/DeviceParameter.h	2007/06/22 10:10:06	1248
@@ -47,6 +47,7 @@
             virtual optional<String> Possibilities() = 0;
             virtual String           Value()         = 0;
             virtual void             SetValue(String val) throw (Exception) = 0;
+            virtual ~DeviceRuntimeParameter(){};
     };
 
     class DeviceRuntimeParameterBool : public DeviceRuntimeParameter {