SDL: wayland: Fixed pen button input (was losing button up events).

SDL Commits
1 
From 0cc3354731b6c255530135bca6df6ac154ba5a60 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Wed, 19 Nov 2025 14:01:53 -0500
Subject: [PATCH] wayland: Fixed pen button input (was losing button up
 events).

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

diff --git a/src/video/wayland/SDL_waylandevents.c b/src/video/wayland/SDL_waylandevents.c
index 5108d82fd71b9..4069052630e7a 100644
--- a/src/video/wayland/SDL_waylandevents.c
+++ b/src/video/wayland/SDL_waylandevents.c
@@ -3408,7 +3408,7 @@ static void tablet_tool_handle_button(void *data, struct zwp_tablet_tool_v2 *too
     }
 
     SDL_assert((sdlbutton >= 1) && (sdlbutton <= SDL_arraysize(sdltool->frame.buttons)));
-    sdltool->frame.buttons[sdlbutton-1] = (state == ZWP_TABLET_PAD_V2_BUTTON_STATE_PRESSED) ? 1 : 0;
+    sdltool->frame.buttons[sdlbutton-1] = (state == ZWP_TABLET_PAD_V2_BUTTON_STATE_PRESSED) ? WAYLAND_TABLET_TOOL_BUTTON_DOWN : WAYLAND_TABLET_TOOL_BUTTON_UP;
 }
 
 static void tablet_tool_handle_rotation(void *data, struct zwp_tablet_tool_v2 *tool, wl_fixed_t degrees)