SDL: Fix -Wunused-variable warning when configuring with -DSDL_X11_XRANDR=OFF

SDL Commits
1 
From 0e2866f846b00ec1e6308a9ec822d03965ed0bba Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Sat, 18 Feb 2023 19:13:59 +0100
Subject: [PATCH] Fix -Wunused-variable warning when configuring with
 -DSDL_X11_XRANDR=OFF

---
 src/video/x11/SDL_x11modes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/x11/SDL_x11modes.c b/src/video/x11/SDL_x11modes.c
index d4d87ae019da..567f18175591 100644
--- a/src/video/x11/SDL_x11modes.c
+++ b/src/video/x11/SDL_x11modes.c
@@ -620,6 +620,7 @@ int X11_InitModes(_THIS)
 
 int X11_GetDisplayModes(_THIS, SDL_VideoDisplay *sdl_display)
 {
+#if SDL_VIDEO_DRIVER_X11_XRANDR
     SDL_DisplayData *data = sdl_display->driverdata;
     SDL_DisplayMode mode;
 
@@ -632,7 +633,6 @@ int X11_GetDisplayModes(_THIS, SDL_VideoDisplay *sdl_display)
     SDL_zero(mode);
     mode.format = sdl_display->desktop_mode.format;
 
-#if SDL_VIDEO_DRIVER_X11_XRANDR
     if (data->use_xrandr) {
         Display *display = _this->driverdata->display;
         XRRScreenResources *res;