add an explicit interpolatetick back in to flyingvehicle

fixe sounds not moving along with it

Engine/source/T3D/vehicles/flyingVehicle.cpp

@@ -404,8 +404,17 @@ void FlyingVehicle::onRemove()
 
 //----------------------------------------------------------------------------
 
+void FlyingVehicle::interpolateTick(F32 dt)
+{
+   PROFILE_SCOPE(FlyingVehicle_InterpolateTick);
+   Parent::interpolateTick(dt);
+   updateEngineSound(1);
+   updateJet(dt);
+}
+
 void FlyingVehicle::advanceTime(F32 dt)
 {
+   PROFILE_SCOPE(FlyingVehicle_AdvanceTime);
    Parent::advanceTime(dt);
 
    updateEngineSound(1);

Engine/source/T3D/vehicles/flyingVehicle.h

@@ -187,6 +187,7 @@ class FlyingVehicle: public Vehicle
 
    bool onAdd();
    void onRemove();
+   void interpolateTick(F32 dt);
    void advanceTime(F32 dt);
 
    void writePacketData(GameConnection *conn, BitStream *stream);