SDL: fix mingw build failures in CI with clang-tidy. (9dea0)

From 9dea06f5b5f8e94674a641b8be260c8128bb33b1 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Fri, 26 May 2023 23:55:04 +0300
Subject: [PATCH] fix mingw build failures in CI with clang-tidy.

(cherry-picked from commit a8a72de6fbcf9afe8a6e8760f31a79a0ed6fed1a)
---
 include/SDL_stdinc.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/SDL_stdinc.h b/include/SDL_stdinc.h
index 0f903f879498..f46a728f6f1b 100644
--- a/include/SDL_stdinc.h
+++ b/include/SDL_stdinc.h
@@ -716,10 +716,19 @@ size_t strlcpy(char* dst, const char* src, size_t size);
 size_t strlcat(char* dst, const char* src, size_t size);
 #endif
 
+#ifndef HAVE_WCSLCPY
+size_t wcslcpy(wchar_t *dst, const wchar_t *src, size_t size);
+#endif
+
+#ifndef HAVE_WCSLCAT
+size_t wcslcat(wchar_t *dst, const wchar_t *src, size_t size);
+#endif
+
 /* Starting LLVM 16, the analyser errors out if these functions do not have
    their prototype defined (clang-diagnostic-implicit-function-declaration) */
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>
 
 #define SDL_malloc malloc
 #define SDL_calloc calloc