SDL: Fixed build warning (b8fe9)

From b8fe96fa81c69c21744e25f2e4ed947072244b9c Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 2 Feb 2024 18:24:05 -0800
Subject: [PATCH] Fixed build warning

---
 test/testautomation_properties.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/testautomation_properties.c b/test/testautomation_properties.c
index e825c3b45501..83f8f7ae198c 100644
--- a/test/testautomation_properties.c
+++ b/test/testautomation_properties.c
@@ -253,7 +253,7 @@ static int properties_testCopy(void *arg)
 
     SDL_DestroyProperties(a);
 
-    num = SDL_GetNumberProperty(b, "num", 0);
+    num = (int)SDL_GetNumberProperty(b, "num", 0);
     SDLTest_AssertCheck(num == 1,
         "Checking number property, got %d, expected 1", num);