SDL: stdinc: modify default alloca prototype (f5dcb)

SDL Commits
1 
From f5dcb8f7adf3a14f57d9cdefb43d4ae9fc985f44 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Wed, 10 Apr 2024 10:05:08 +0200
Subject: [PATCH] stdinc: modify default alloca prototype

For compatibilty with TinyCC.

Backport of 06758685a5ab8fa43dfb136dc057573c36451067

(cherry picked from commit 9216b7a5eed3a55dc6c0bdccbeabc9183a701b16)
---
 include/SDL_stdinc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/SDL_stdinc.h b/include/SDL_stdinc.h
index 0035a357cf8e7..8c22283af0917 100644
--- a/include/SDL_stdinc.h
+++ b/include/SDL_stdinc.h
@@ -107,7 +107,7 @@
 # elif defined(__MRC__)
 void *alloca(unsigned);
 # else
-char *alloca();
+void *alloca(size_t);
 # endif
 #endif