From f91eb18152e7bb84a402255d283a546f4dc95ce8 Mon Sep 17 00:00:00 2001
From: Cameron Cawley <ccawley2011@gmail.com>
Date: Sat, 4 May 2019 14:07:02 +0100
Subject: Fix all -Wwrite-strings warnings

---
 src/SPI.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/SPI.cpp')

diff --git a/src/SPI.cpp b/src/SPI.cpp
index 6224338..e550abd 100644
--- a/src/SPI.cpp
+++ b/src/SPI.cpp
@@ -129,7 +129,7 @@ void Reset()
     fclose(f);
 
     // take a backup
-    char* firmbkp = "firmware.bin.bak";
+    const char* firmbkp = "firmware.bin.bak";
     f = fopen(firmbkp, "rb");
     if (f) fclose(f);
     else
-- 
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