message: Use Vec::new
diff: @@ -27,7 +27,7 @@ fn _convert_raw_ptr_array<F, R>(raw_ptr: *mut *mut c_char, convert: F) -> Vec<R>
  where
  F: Fn(*const c_char) -> R,
  {
  - let mut ret_val: Vec<R> = vec![];
  + let mut ret_val = Vec::new();
  let mut i = 0;
  unsafe {
  loop {
  