SDL: testspriteminimal: fix conversion from `time_t` to `unsigned int`

SDL Commits
1 
From 18c776e155c7da7d2ce8e36c9687bb66db033493 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Thu, 6 Oct 2022 01:02:17 +0200
Subject: [PATCH] testspriteminimal: fix conversion from `time_t` to `unsigned
 int`

Emitted by MSVC
---
 test/testspriteminimal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/testspriteminimal.c b/test/testspriteminimal.c
index 36ea373b0b4b..6be99fd4a887 100644
--- a/test/testspriteminimal.c
+++ b/test/testspriteminimal.c
@@ -117,7 +117,7 @@ main(int argc, char *argv[])
     }
 
     /* Initialize the sprite positions */
-    srand(time(NULL));
+    srand((unsigned int)time(NULL));
     for (i = 0; i < NUM_SPRITES; ++i) {
         positions[i].x = rand() % (WINDOW_WIDTH - sprite_w);
         positions[i].y = rand() % (WINDOW_HEIGHT - sprite_h);