From 435c955acd7b4472f895d6401b57aac7b9c554a2 Mon Sep 17 00:00:00 2001
From: geeksville <kevinh@geeksville.com>
Date: Tue, 15 Sep 2020 21:05:57 -0700
Subject: [PATCH] make hash prototype a bit stricter

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

diff --git a/src/mesh/RadioInterface.cpp b/src/mesh/RadioInterface.cpp
index 4d43d22ff..ae4ef4219 100644
--- a/src/mesh/RadioInterface.cpp
+++ b/src/mesh/RadioInterface.cpp
@@ -107,7 +107,7 @@ bool RadioInterface::init()
  * djb2 by Dan Bernstein.
  * http://www.cse.yorku.ca/~oz/hash.html
  */
-unsigned long hash(char *str)
+unsigned long hash(const char *str)
 {
     unsigned long hash = 5381;
     int c;