SDL: wayland: Remove some now-redundant casts

SDL Commits
1 
From ab74b6a3c3c02da7a89973c273ebbb0b02271a68 Mon Sep 17 00:00:00 2001
From: Ethan Lee <[EMAIL REDACTED]>
Date: Thu, 24 Mar 2022 15:34:29 -0400
Subject: [PATCH] wayland: Remove some now-redundant casts

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

diff --git a/src/video/wayland/SDL_waylandvideo.c b/src/video/wayland/SDL_waylandvideo.c
index 6a55e7bf3be..b3d241b181d 100644
--- a/src/video/wayland/SDL_waylandvideo.c
+++ b/src/video/wayland/SDL_waylandvideo.c
@@ -641,7 +641,7 @@ static void
 Wayland_init_xdg_output(SDL_VideoData *d)
 {
     SDL_WaylandOutputData *node;
-    for (node = (SDL_WaylandOutputData*)d->output_list; node != NULL; node = (SDL_WaylandOutputData*)node->next) {
+    for (node = d->output_list; node != NULL; node = node->next) {
         node->xdg_output = zxdg_output_manager_v1_get_xdg_output(node->videodata->xdg_output_manager, node->output);
         zxdg_output_v1_add_listener(node->xdg_output, &xdg_output_listener, node);
     }