Fix cleanup of RouteDataPrivate

src/Navaids/routePath.cxx

@@ -862,6 +862,10 @@ RoutePath::RoutePath(const flightgear::FlightPlan* fp) :
     commonInit();
 }
 
+RoutePath::~RoutePath()
+{
+}
+
 void RoutePath::commonInit()
 {
   d->initPerfData();

src/Navaids/routePath.hxx

@@ -38,7 +38,8 @@ class RoutePath
 {
 public:
   RoutePath(const flightgear::FlightPlan* fp);
-  
+  ~RoutePath();
+
   SGGeodVec pathForIndex(int index) const;
   
   SGGeod positionForIndex(int index) const;
@@ -64,7 +65,7 @@ private:
   void interpolateGreatCircle(const SGGeod& aFrom, const SGGeod& aTo, SGGeodVec& r) const;
   
   
-  RoutePathPrivate* d;
+  std::auto_ptr<RoutePathPrivate> d;
 };
 
 #endif