Fix windows link error and clear windows warnings (#2463)

- Fix windows wamrc link error: aot_generate_tempfile_name undefined.
- Clear windows compile warnings.
- And rename folder `samples/bh_atomic` and `samples/mem_allocator` to
  `samples/bh-atomic` and `samples/mem-allocator`.

samples/bh-atomic/main.c

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2023 Midokura Japan KK.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <assert.h>
+
+#include "bh_platform.h"
+#include "bh_atomic.h"
+
+int
+main(int argc, char **argv)
+{
+    bh_atomic_32_t v;
+    uint32 o;
+
+    v = 0x00ff00ff;
+    o = BH_ATOMIC_32_LOAD(v);
+    assert(o == 0x00ff00ff);
+
+    v = 0x00ff00ff;
+    o = BH_ATOMIC_32_FETCH_OR(v, 0xffff0000);
+    assert(o == 0x00ff00ff);
+    assert(v == 0xffff00ff);
+
+    v = 0x00ff00ff;
+    o = BH_ATOMIC_32_FETCH_AND(v, 0xffff0000);
+    assert(o == 0x00ff00ff);
+    assert(v == 0x00ff0000);
+
+    v = 0x00ff00ff;
+    o = BH_ATOMIC_32_FETCH_ADD(v, 0x10101);
+    assert(o == 0x00ff00ff);
+    assert(v == 0x00ff00ff + 0x10101);
+
+    v = 0x00ff00ff;
+    o = BH_ATOMIC_32_FETCH_SUB(v, 0x10101);
+    assert(o == 0x00ff00ff);
+    assert(v == 0x00ff00ff - 0x10101);
+
+    return 0;
+}