SDL: Add the definition for DBUS_TYPE_UNIX_FD to SDL_dbus.h

SDL Commits
1 
From eac63b47356ac9be27999b526b5f1bbc6ba8e13f Mon Sep 17 00:00:00 2001
From: kemal <[EMAIL REDACTED]>
Date: Thu, 29 Aug 2024 11:07:16 +0300
Subject: [PATCH] Add the definition for DBUS_TYPE_UNIX_FD to SDL_dbus.h

---
 src/core/linux/SDL_dbus.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/core/linux/SDL_dbus.h b/src/core/linux/SDL_dbus.h
index 3fab08c14cc31..b22a92af04379 100644
--- a/src/core/linux/SDL_dbus.h
+++ b/src/core/linux/SDL_dbus.h
@@ -34,6 +34,9 @@
 #ifndef DBUS_TIMEOUT_INFINITE
 #define DBUS_TIMEOUT_INFINITE ((int) 0x7fffffff)
 #endif
+#ifndef DBUS_TYPE_UNIX_FD
+#define DBUS_TYPE_UNIX_FD ((int) 'h')
+#endif
 
 typedef struct SDL_DBusContext
 {