[Fix] Memory was not properly released at the end of the memory test.

[Change] Hard-coded memory test loops changed from 50 to 5.

src/memtest.c

@@ -267,7 +267,11 @@ void memtest_test(size_t megabytes, int passes) {
         memtest_progress_end();
         memtest_compare_times(m,bytes,pass,4);
     }
+#ifdef _WIN32
+    VirtualFreeEx(GetCurrentProcess(), m, 0, MEM_RELEASE);
+#else
     free(m);
+#endif
 }
 
 void memtest_non_destructive_invert(void *addr, size_t size) {

src/redis.c

@@ -3672,7 +3672,7 @@ int main(int argc, char **argv) {
             strcmp(argv[1], "-h") == 0) usage();
         if (strcmp(argv[1], "--test-memory") == 0) {
             if (argc == 3) {
-                memtest(atoi(argv[2]),50);
+                memtest(atoi(argv[2]), IF_WIN32(5, 50));
                 exit(0);
             } else {
                 fprintf(stderr,"Please specify the amount of memory to test in megabytes.\n");