From b8129e0f08f98fc8675cd4bcab9f70256d4fb37a Mon Sep 17 00:00:00 2001
From: Sanchayan Maity <maitysanchayan@gmail.com>
Date: Thu, 5 Oct 2017 10:20:09 +0530
Subject: Fix variable does not need to be mutable warning for aio test

This fixes the following warning during run of cargo test

warning: variable does not need to be mutable
  --> test/sys/test_aio.rs:16:13
   |
16 | fn poll_aio(mut aiocb: &mut AioCb) -> Result<()> {
   |             ^^^^^^^^^
   |
   = note: #[warn(unused_mut)] on by default
---
 test/sys/test_aio.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/sys/test_aio.rs b/test/sys/test_aio.rs
index 67fd0850..b74e3f63 100644
--- a/test/sys/test_aio.rs
+++ b/test/sys/test_aio.rs
@@ -13,7 +13,7 @@ use std::{thread, time};
 use tempfile::tempfile;
 
 // Helper that polls an AioCb for completion or error
-fn poll_aio(mut aiocb: &mut AioCb) -> Result<()> {
+fn poll_aio(aiocb: &mut AioCb) -> Result<()> {
     loop {
         let err = aiocb.error();
         if err != Err(Error::from(Errno::EINPROGRESS)) { return err; };
-- 
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