Temporary fix for ArrayX `clear()` function

arrayx_fix.inc

/**
 * Use this in place of `array_get_int()` as the former mishandles
 * parameters and needs to be wrapped safely.
 */
stock array_get_int_safe(array, index) {
  // Insert a dummy canary into the stack.
  new dummy[32]

  // Call a native (VM function) using the dummy variable to get
  // rid of "unused symbol" warnings.
  // (Note: I could have also disabled the compiler warning for
  // just this line, but that's not what I did back then.)
  float(dummy[0])

  // This call will smash `temp`.
  return array_get_int(array, index)
}