SDL: Fixed building on older kernel headers (b7706)

SDL Commits
1 
From b77064441149413543f190ee5067760e6acc1358 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 17 Jun 2023 09:46:46 -0700
Subject: [PATCH] Fixed building on older kernel headers

---
 src/core/linux/SDL_evdev_capabilities.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/core/linux/SDL_evdev_capabilities.h b/src/core/linux/SDL_evdev_capabilities.h
index df9537a57d65..94afee7960e7 100644
--- a/src/core/linux/SDL_evdev_capabilities.h
+++ b/src/core/linux/SDL_evdev_capabilities.h
@@ -28,8 +28,14 @@
 
 #include <linux/input.h>
 
+#ifndef INPUT_PROP_TOPBUTTONPAD
+#define INPUT_PROP_TOPBUTTONPAD     0x04
+#endif
+#ifndef INPUT_PROP_POINTING_STICK
+#define INPUT_PROP_POINTING_STICK   0x05
+#endif
 #ifndef INPUT_PROP_ACCELEROMETER
-#define INPUT_PROP_ACCELEROMETER 0x06
+#define INPUT_PROP_ACCELEROMETER    0x06
 #endif
 #ifndef INPUT_PROP_MAX
 #define INPUT_PROP_MAX 0x1f