Pull request #910: bugfix reading JSON Vehicle file: ng tank system no read correctly

Merge in VECTO/vecto-sim from VECTO/mq_vecto-sim:bugfix/VECTO-1655-not-possible-to-set-tank-sytem-to-liquefied-chagnes-it-back-to-compressed-in-.vveh to develop

* commit '686380b2':
  bugfix reading JSON Vehicle file: ng tank system no read correctly

VectoCore/VectoCore/InputData/FileIO/JSON/JSONVehicleData.cs

@@ -50,7 +50,7 @@ namespace TUGraz.VectoCore.InputData.FileIO.JSON
 	// ###################################################################
 	// ###################################################################
 
-	public class JSONVehicleDataV9 : JSONVehicleDataV7
+	public class JSONVehicleDataV9 : JSONVehicleDataV8
 	{
 		//protected IBusAuxiliariesDeclarationData _busAuxiliariesData;