SDL: Fix GetGlobalMouseState when xi2 is not available at runtime

SDL Commits
1 
From 0123d6311d5c0059d617324426ef7eef8d577d9b Mon Sep 17 00:00:00 2001
From: Lauri Kasanen <[EMAIL REDACTED]>
Date: Sun, 19 Feb 2023 16:04:47 +0200
Subject: [PATCH] Fix GetGlobalMouseState when xi2 is not available at runtime

---
 src/video/x11/SDL_x11mouse.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/video/x11/SDL_x11mouse.c b/src/video/x11/SDL_x11mouse.c
index 44fb571e372e..3f67950bb369 100644
--- a/src/video/x11/SDL_x11mouse.c
+++ b/src/video/x11/SDL_x11mouse.c
@@ -415,6 +415,9 @@ static Uint32 X11_GetGlobalMouseState(float *x, float *y)
 
 #if !SDL_VIDEO_DRIVER_X11_XINPUT2
     videodata->global_mouse_changed = SDL_TRUE;
+#else
+    if (!SDL_X11_HAVE_XINPUT2)
+        videodata->global_mouse_changed = SDL_TRUE;
 #endif
 
     /* check if we have this cached since XInput last saw the mouse move. */