SDL: Remove SDL_stdinc.h dependency on HAVE_ALLOCA

From 8733927e359ab728f8eff19c6ec06c115be4c5d4 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 25 Nov 2022 10:06:36 -0800
Subject: [PATCH] Remove SDL_stdinc.h dependency on HAVE_ALLOCA

Assume alloca() is available on all modern systems
---
 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 68e75b6ad6cd..da643b35c7d7 100644
--- a/include/SDL_stdinc.h
+++ b/include/SDL_stdinc.h
@@ -92,7 +92,7 @@
 #ifdef HAVE_FLOAT_H
 # include <float.h>
 #endif
-#if defined(HAVE_ALLOCA) && !defined(alloca)
+#if !defined(alloca)
 # if defined(HAVE_ALLOCA_H)
 #  include <alloca.h>
 # elif defined(__GNUC__)