From 47d3e96b43b49ce3d499695230c8531838cfa153 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Sat, 18 Dec 2021 14:01:02 +0300
Subject: [PATCH] SDL_joystick.c: (unsigned char) cast to SDL_tolower()
 parameters.

---
 src/joystick/SDL_joystick.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/joystick/SDL_joystick.c b/src/joystick/SDL_joystick.c
index cfcad6168..fe6128c93 100644
--- a/src/joystick/SDL_joystick.c
+++ b/src/joystick/SDL_joystick.c
@@ -1713,7 +1713,7 @@ PrefixMatch(const char *a, const char *b)
 {
     int matchlen = 0;
     while (*a && *b) {
-        if (SDL_tolower(*a++) == SDL_tolower(*b++)) {
+        if (SDL_tolower((unsigned char) *a++) == SDL_tolower((unsigned char) *b++)) {
             ++matchlen;
         } else {
             break;