SDL: Older Visual Studio does not provide a intptr_t typedef

SDL Commits
1 
From 45d65f6e1f51422c414e85f133849648918a8c09 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Sat, 11 Oct 2025 00:30:38 +0200
Subject: [PATCH] Older Visual Studio does not provide a intptr_t typedef

---
 include/SDL3/SDL_stdinc.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/SDL3/SDL_stdinc.h b/include/SDL3/SDL_stdinc.h
index 00b024a86b6d2..9a7dfb077b539 100644
--- a/include/SDL3/SDL_stdinc.h
+++ b/include/SDL3/SDL_stdinc.h
@@ -62,6 +62,13 @@ typedef signed __int32 int32_t;
 typedef unsigned __int32 uint32_t;
 typedef signed __int64 int64_t;
 typedef unsigned __int64 uint64_t;
+#ifndef _INTPTR_T_DEFINED
+#ifdef _WIN64
+typedef __int64 intptr_t;
+#else
+typedef int intptr_t;
+#endif
+#endif
 #ifndef _UINTPTR_T_DEFINED
 #ifdef _WIN64
 typedef unsigned __int64 uintptr_t;