SDL: SDL_x11mouse.c: avoid -Wunused-variable if xinput2 is not available (30972)

SDL Commits
1 
From 30972d7e7fce4430bdc911926811d968eec7af57 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sat, 17 Aug 2024 11:23:32 +0300
Subject: [PATCH] SDL_x11mouse.c: avoid -Wunused-variable if xinput2 is not
 available

---
 src/video/x11/SDL_x11mouse.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/video/x11/SDL_x11mouse.c b/src/video/x11/SDL_x11mouse.c
index f7cdb80300b7b..5048cd01bbbe2 100644
--- a/src/video/x11/SDL_x11mouse.c
+++ b/src/video/x11/SDL_x11mouse.c
@@ -320,7 +320,9 @@ static void WarpMouseInternal(Window xwindow, const int x, const int y)
 {
     SDL_VideoData *videodata = (SDL_VideoData *)SDL_GetVideoDevice()->driverdata;
     Display *display = videodata->display;
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
     int deviceid = 0;
+#endif
     SDL_bool warp_hack = SDL_FALSE;
 
     /* XWayland will only warp the cursor if it is hidden, so this workaround is required. */
@@ -492,5 +494,3 @@ void X11_QuitMouse(_THIS)
 }
 
 #endif /* SDL_VIDEO_DRIVER_X11 */
-
-/* vi: set ts=4 sw=4 expandtab: */