SDL: add missing includes

From e5bd3bbcd6ef8bc064d116b528584cef4f0b955a Mon Sep 17 00:00:00 2001
From: Maia <[EMAIL REDACTED]>
Date: Sat, 14 Sep 2024 23:35:41 +0200
Subject: [PATCH] add missing includes

---
 include/SDL3/SDL_process.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/SDL3/SDL_process.h b/include/SDL3/SDL_process.h
index 157fcc2e12c52..d1f5871fd31c2 100644
--- a/include/SDL3/SDL_process.h
+++ b/include/SDL3/SDL_process.h
@@ -43,7 +43,10 @@
 #ifndef SDL_process_h_
 #define SDL_process_h_
 
+#include <SDL3/SDL_stdinc.h>
 #include <SDL3/SDL_error.h>
+#include <SDL3/SDL_iostream.h>
+#include <SDL3/SDL_properties.h>
 
 #include <SDL3/SDL_begin_code.h>
 /* Set up for C function definitions, even when using C++ */