Fix some gcc warnings

[flightgear.git] / src / Instrumentation / od_gauge.hxx

diff --git a/src/Instrumentation/od_gauge.hxx b/src/Instrumentation/od_gauge.hxx
index 2c957d42977fcf06f88471240a8a67d97de4ca0f..3b3217d5b7b4d80ee5f30b6b9808f585b8e72e9c 100644 (file)
--- a/src/Instrumentation/od_gauge.hxx
+++ b/src/Instrumentation/od_gauge.hxx
@@ -38,7 +38,7 @@ class FGODGauge : public SGSubsystem {
 public:
     FGODGauge ( SGPropertyNode *node );
     FGODGauge();
-    ~FGODGauge();
+    virtual ~FGODGauge();
     virtual void init ();
     virtual void update (double dt);