SDL: wayland: Fix a warning in handle_configure_xdg_toplevel

SDL Commits
1 
From dab33844e386c4d5553eb49c578ccb0ee18bc947 Mon Sep 17 00:00:00 2001
From: Ethan Lee <[EMAIL REDACTED]>
Date: Mon, 2 Aug 2021 11:58:47 -0400
Subject: [PATCH] wayland: Fix a warning in handle_configure_xdg_toplevel

---
 src/video/wayland/SDL_waylandwindow.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/video/wayland/SDL_waylandwindow.c b/src/video/wayland/SDL_waylandwindow.c
index d4618f6f3..80384c7b0 100644
--- a/src/video/wayland/SDL_waylandwindow.c
+++ b/src/video/wayland/SDL_waylandwindow.c
@@ -205,6 +205,8 @@ handle_configure_xdg_toplevel(void *data,
         case XDG_TOPLEVEL_STATE_TILED_BOTTOM:
             floating = SDL_FALSE;
             break;
+        default:
+            break;
         }
     }