Fix undefined behaviour when deleting sensor filters

QSensorFilter is a base-class that defines virtual functions. Therefore
it also needs to declare a virtual destructor.

Change-Id: I8f62b2eb825e73674980355a8419fb2d08f9c41c
Reviewed-by: Andras Becsi <andras.becsi@nokia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/sensors/qsensor.h b/src/sensors/qsensor.h
index 2ff79d3b..e273718b 100644
--- a/src/sensors/qsensor.h
+++ b/src/sensors/qsensor.h
@@ -173,7 +173,7 @@ public:
     virtual bool filter(QSensorReading *reading) = 0;
 protected:
     QSensorFilter();
-    ~QSensorFilter();
+    virtual ~QSensorFilter();
     virtual void setSensor(QSensor *sensor);
     QSensor *m_sensor;
 };