From d4836effc97ce2bdf132c9eca266506ecf467699 Mon Sep 17 00:00:00 2001
From: Ian Mobley <ian@gilderfluke.com>
Date: Mon, 17 Oct 2016 17:20:57 -0700
Subject: [PATCH] Fix compiler warning "array subscript has type char" when
 using arm-none-eabi-gcc

---
 cJSON.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cJSON.c b/cJSON.c
index 36d9233..512f100 100644
--- a/cJSON.c
+++ b/cJSON.c
@@ -50,7 +50,7 @@ static int cJSON_strcasecmp(const char *s1, const char *s2)
     {
         return 1;
     }
-    for(; tolower(*s1) == tolower(*s2); ++s1, ++s2)
+    for(; tolower(*(const unsigned char *)s1) == tolower(*(const unsigned char *)s2); ++s1, ++s2)
     {
         if (*s1 == 0)
         {