(svn r21876) -Codechange: typedef SpecializedVehicleBase and GroundVehicleBase to reduce typing

src/train.h

@@ -97,7 +97,7 @@ struct Train : public GroundVehicle<Train, VEH_TRAIN> {
 	uint16 wait_counter;
 
 	/** We don't want GCC to zero our struct! It already is zeroed and has an index! */
-	Train() : GroundVehicle<Train, VEH_TRAIN>() {}
+	Train() : GroundVehicleBase() {}
 	/** We want to 'destruct' the right class. */
 	virtual ~Train() { this->PreDestructor(); }