message: librustzcash: Fix typo in Windows parameter init
diff: @@ -181,7 +181,7 @@ pub extern "system" fn librustzcash_init_zksnark_params(
  let sprout_path = if sprout_path.is_null() {
  None
  } else {
  - Some(OsStr::from_wide(unsafe {
  + Some(OsString::from_wide(unsafe {
  slice::from_raw_parts(sprout_path, sprout_path_len)
  }))
  };
  