SDL: Don't include the null terminator in Wayland clipboard text

From 948dbe7d3f8a393e49010038f0c6cac089ac2599 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 18 Aug 2022 16:24:20 -0700
Subject: [PATCH] Don't include the null terminator in Wayland clipboard text

Fixes https://github.com/libsdl-org/SDL/issues/6083
---
 src/video/wayland/SDL_waylandclipboard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/wayland/SDL_waylandclipboard.c b/src/video/wayland/SDL_waylandclipboard.c
index e6315540ea8..ede016c79bd 100644
--- a/src/video/wayland/SDL_waylandclipboard.c
+++ b/src/video/wayland/SDL_waylandclipboard.c
@@ -43,7 +43,7 @@ Wayland_SetClipboardText(_THIS, const char *text)
             if (text[0] != '\0') {
                 SDL_WaylandDataSource* source = Wayland_data_source_create(_this);
                 Wayland_data_source_add_data(source, TEXT_MIME, text,
-                                             SDL_strlen(text) + 1);
+                                             SDL_strlen(text));
 
                 status = Wayland_data_device_set_selection(data_device, source);
                 if (status != 0) {