SDL: kmsdrm: only negative devindex's are not allowed

SDL Commits
1 
From 57b5c9107e0c729b89e46cce2baa109a80642109 Mon Sep 17 00:00:00 2001
From: Eric Curtin <[EMAIL REDACTED]>
Date: Wed, 28 Sep 2022 12:38:32 +0100
Subject: [PATCH] kmsdrm: only negative devindex's are not allowed

ad874536 removed an unnecessary limit as we *can* have a devindex
greater than 99, this error message does not reflect the support for
values greater than 99.
---
 src/video/kmsdrm/SDL_kmsdrmvideo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/kmsdrm/SDL_kmsdrmvideo.c b/src/video/kmsdrm/SDL_kmsdrmvideo.c
index 5561e5561c0c..4293e46e2b35 100644
--- a/src/video/kmsdrm/SDL_kmsdrmvideo.c
+++ b/src/video/kmsdrm/SDL_kmsdrmvideo.c
@@ -236,7 +236,7 @@ KMSDRM_CreateDevice(void)
 
     devindex = get_driindex();
     if (devindex < 0) {
-        SDL_SetError("devindex (%d) must be between 0 and 99.", devindex);
+        SDL_SetError("devindex (%d) must not be negative.", devindex);
         return NULL;
     }