SDL: SDL_test: add --hide-cursor to help

SDL Commits
1 
From 2123b84fbef561a38366392eb5d7ea310f5e2156 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Tue, 21 May 2024 22:56:26 +0200
Subject: [PATCH] SDL_test: add --hide-cursor to help

---
 src/test/SDL_test_common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/test/SDL_test_common.c b/src/test/SDL_test_common.c
index 357796bdf2a89..e272d07d5e5a2 100644
--- a/src/test/SDL_test_common.c
+++ b/src/test/SDL_test_common.c
@@ -42,6 +42,7 @@ static const char *video_usage[] = {
     "[--gldebug]",
     "[--grab]",
     "[--hidden]",
+    "[--hide-cursor]",
     "[--high-pixel-density]",
     "[--icon icon.bmp]",
     "[--info all|video|modes|render|event|event_motion]",