From 4a9d8c94598db77168ad9289919db094c8938bc6 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Fri, 15 Dec 2017 06:07:16 +0000
Subject: [PATCH] runtime: fix a warning.

---
 artiq/firmware/runtime/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/firmware/runtime/lib.rs b/artiq/firmware/runtime/lib.rs
index 0bd6e760f..feaf39992 100644
--- a/artiq/firmware/runtime/lib.rs
+++ b/artiq/firmware/runtime/lib.rs
@@ -198,7 +198,7 @@ fn startup_ethernet() {
             Err(err) => warn!("network error: {}", err)
         }
 
-        if let Some(net_stats_diff) = net_stats.update() {
+        if let Some(_net_stats_diff) = net_stats.update() {
             warn!("ethernet mac:{}", ethmac::EthernetStatistics::new());
         }
     }