SDL: Fixed warning C4245: 'return': conversion from 'int' to 'Uint64', signed/unsigned mismatch

From 4514aabb414da87d35e8a761698e1773f5a3893f Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 3 Feb 2024 11:08:12 -0800
Subject: [PATCH] Fixed warning C4245: 'return': conversion from 'int' to
 'Uint64', signed/unsigned mismatch

---
 src/test/SDL_test_harness.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/test/SDL_test_harness.c b/src/test/SDL_test_harness.c
index 73e23016ae62..eb0cdaed2e2f 100644
--- a/src/test/SDL_test_harness.c
+++ b/src/test/SDL_test_harness.c
@@ -120,22 +120,22 @@ static Uint64 SDLTest_GenerateExecKey(const char *runSeed, const char *suiteName
 
     if (!runSeed || runSeed[0] == '\0') {
         SDLTest_LogError("Invalid runSeed string.");
-        return -1;
+        return 0;
     }
 
     if (!suiteName || suiteName[0] == '\0') {
         SDLTest_LogError("Invalid suiteName string.");
-        return -1;
+        return 0;
     }
 
     if (!testName || testName[0] == '\0') {
         SDLTest_LogError("Invalid testName string.");
-        return -1;
+        return 0;
     }
 
     if (iteration <= 0) {
         SDLTest_LogError("Invalid iteration count.");
-        return -1;
+        return 0;
     }
 
     /* Convert iteration number into a string */