SDL: SDL_x11xinput2.c: fix build for macOS

From 293d29b78a7de4fdff26f59682852b0dca4786a9 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Thu, 4 Aug 2022 10:11:02 +0300
Subject: [PATCH] SDL_x11xinput2.c: fix build for macOS

---
 src/video/x11/SDL_x11xinput2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/video/x11/SDL_x11xinput2.c b/src/video/x11/SDL_x11xinput2.c
index c8c2a6ef2e0..c788b743263 100644
--- a/src/video/x11/SDL_x11xinput2.c
+++ b/src/video/x11/SDL_x11xinput2.c
@@ -206,6 +206,7 @@ xinput2_remove_device_info(SDL_VideoData *videodata, const int device_id)
     }
 }
 
+#if SDL_VIDEO_DRIVER_X11_XINPUT2
 static SDL_XInput2DeviceInfo *
 xinput2_get_device_info(SDL_VideoData *videodata, const int device_id)
 {
@@ -266,7 +267,7 @@ xinput2_get_device_info(SDL_VideoData *videodata, const int device_id)
 
     return devinfo;
 }
-
+#endif
 
 int
 X11_HandleXinput2Event(SDL_VideoData *videodata, XGenericEventCookie *cookie)
@@ -529,7 +530,6 @@ X11_Xinput2UngrabTouch(_THIS, SDL_Window *window)
 #endif
 }
 
-
 #endif /* SDL_VIDEO_DRIVER_X11 */
 
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