message: Fix 'RtlGenRandom' argument slots
diff: @@ -756,8 +756,8 @@ pub trait EvalContextExt<'a, 'mir, 'tcx: 'a + 'mir>: crate::MiriEvalContextExt<'
  }
  // The actual name of 'RtlGenRandom'
  "SystemFunction036" => {
  - let ptr = this.read_scalar(args[1])?.to_ptr()?;
  - let len = this.read_scalar(args[2])?.to_usize(this)?;
  + let ptr = this.read_scalar(args[0])?.to_ptr()?;
  + let len = this.read_scalar(args[1])?.to_usize(this)?;
  let data = gen_random(this, len as usize)?;
  this.memory_mut().get_mut(ptr.alloc_id)?
  