Change the X+1 for the consecutive number toadd

[fltsim.X+1]
title=ATR-42-300 CSA
sim=ATR42-300
model=
panel=MIO
sound=
texture=CSA
checklists=
kb_checklists=checklist
ui_manufacturer=Aerospatiale
ui_type=ATR-42-300
ui_variation=CZECH AIRLINES
atc_heavy=0
atc_id=OK-VFI
atc_airline=CSA LINES
atc_flight_number=
description=FS2004 ATR42-400\nDesign: Ricardo garcia Marrero\nTextures: ricardo garcia Marrero\Other info later
atc_parking_types=GATE,RAMP
atc_parking_codes=CSA
atc_id_color=0000000000
visual_damage=0