SDL: Note that the file names are UTF-8 encoded

SDL Commits
1 
From 6e4193b743865a974375f030463a36b9f496a72d Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 1 Mar 2025 08:21:27 -0800
Subject: [PATCH] Note that the file names are UTF-8 encoded

---
 include/SDL3/SDL_dialog.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/SDL3/SDL_dialog.h b/include/SDL3/SDL_dialog.h
index 460038ff2b513..751561235209d 100644
--- a/include/SDL3/SDL_dialog.h
+++ b/include/SDL3/SDL_dialog.h
@@ -84,7 +84,7 @@ typedef struct SDL_DialogFileFilter
  * - A pointer to NULL, the user either didn't choose any file or canceled the
  *   dialog.
  * - A pointer to non-`NULL`, the user chose one or more files. The argument
- *   is a null-terminated list of pointers to C strings, each containing a
+ *   is a null-terminated array of pointers to UTF-8 encoded strings, each containing a
  *   path.
  *
  * The filelist argument should not be freed; it will automatically be freed