From 3dc6fe6f057028398f19cfdcc2f3d059fda1838b Mon Sep 17 00:00:00 2001
From: Andrew Gallant <jamslam@gmail.com>
Date: Mon, 23 Apr 2018 20:06:03 -0400
Subject: [PATCH] output: remove unnecessary mut binding

---
 src/printer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/printer.rs b/src/printer.rs
index fce6858..721967e 100644
--- a/src/printer.rs
+++ b/src/printer.rs
@@ -472,7 +472,7 @@ impl<W: WriteColor> Printer<W> {
     }
 
     fn line_number(&mut self, n: u64, sep: u8) {
-        let mut line_number = n.to_string();
+        let line_number = n.to_string();
         self.write_colored(line_number.as_bytes(), |colors| colors.line());
         self.separator(&[sep]);
     }