SDL: SDL_test_harness: fix memory leak when generated seed

SDL Commits
1 
From 69253c542ab6ea396de535085095adf1ffcbdd3b Mon Sep 17 00:00:00 2001
From: Sylvain <[EMAIL REDACTED]>
Date: Mon, 16 Jan 2023 10:28:16 +0100
Subject: [PATCH] SDL_test_harness: fix memory leak when generated seed

---
 src/test/SDL_test_harness.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/test/SDL_test_harness.c b/src/test/SDL_test_harness.c
index 233f66a2a5b0..1ca53b868a12 100644
--- a/src/test/SDL_test_harness.c
+++ b/src/test/SDL_test_harness.c
@@ -389,6 +389,7 @@ int SDLTest_RunSuites(SDLTest_TestSuiteReference *testSuites[], const char *user
     int testSkippedCount = 0;
     int countSum = 0;
     const SDLTest_TestCaseReference **failedTests;
+    char generatedSeed[16 + 1];
 
     /* Sanitize test iterations */
     if (testIterations < 1) {
@@ -397,11 +398,14 @@ int SDLTest_RunSuites(SDLTest_TestSuiteReference *testSuites[], const char *user
 
     /* Generate run see if we don't have one already */
     if (userRunSeed == NULL || userRunSeed[0] == '\0') {
-        runSeed = SDLTest_GenerateRunSeed(16);
-        if (runSeed == NULL) {
+        char *tmp = SDLTest_GenerateRunSeed(16);
+        if (tmp == NULL) {
             SDLTest_LogError("Generating a random seed failed");
             return 2;
         }
+        SDL_memcpy(generatedSeed, tmp, 16 + 1);
+        SDL_free(tmp);
+        runSeed = generatedSeed;
     } else {
         runSeed = userRunSeed;
     }