SDL: Fix strpbrk() discarded const qualifier

SDL Commits
1 
From c45be94938bdbdacbce4b1011ebe6df6be515c11 Mon Sep 17 00:00:00 2001
From: WillyJL <[EMAIL REDACTED]>
Date: Tue, 10 Mar 2026 21:24:08 +0100
Subject: [PATCH] Fix strpbrk() discarded const qualifier

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

diff --git a/src/stdlib/SDL_string.c b/src/stdlib/SDL_string.c
index 99af7a5b804c8..7f43025fc91e2 100644
--- a/src/stdlib/SDL_string.c
+++ b/src/stdlib/SDL_string.c
@@ -2479,7 +2479,7 @@ int SDL_vasprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt, va_list
 char * SDL_strpbrk(const char *str, const char *breakset)
 {
 #ifdef HAVE_STRPBRK
-    return strpbrk(str, breakset);
+    return SDL_const_cast(char *, strpbrk(str, breakset));
 #else
 
     for (; *str; str++) {