Sisu R500 sound fix 1.37 and 1.38

Made a sound fix to this mod,until RJL updates it to 1.38 you can use this fix. There are two types(SCS or Kriechbaum),use only one at a time. SCS sounds are from the Renault Premium of FMOD. Credits: ArTrailfanRaf214 If the download link is outdated or doesn't work, you can add your download link. (If your link is valid, we will approve it within 24 hours.) Find more latest mods for this game here: Euro truck simulator 2 mods