SDL: SDL_hidapi_steam.c: Fix compilation under c2x.

From 975039ce0d3587c42e11f2922240957fc8f74166 Mon Sep 17 00:00:00 2001
From: Pierre Wendling <[EMAIL REDACTED]>
Date: Mon, 27 Mar 2023 11:51:19 -0400
Subject: [PATCH] SDL_hidapi_steam.c: Fix compilation under c2x.

When N2935 is implemented, the enum breaks compilation. Use a #define of
the SDL booleans instead.
---
 src/joystick/hidapi/SDL_hidapi_steam.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/joystick/hidapi/SDL_hidapi_steam.c b/src/joystick/hidapi/SDL_hidapi_steam.c
index 006cb7412a9b..54d3e40f3251 100644
--- a/src/joystick/hidapi/SDL_hidapi_steam.c
+++ b/src/joystick/hidapi/SDL_hidapi_steam.c
@@ -31,11 +31,9 @@
 
 #include <stdint.h>
 
-typedef enum
-{
-    false,
-    true
-} bool;
+#define bool SDL_bool
+#define true SDL_TRUE
+#define false SDL_FALSE
 
 typedef uint32_t uint32;
 typedef uint64_t uint64;