utils: Fix macro for unreachable code in Windows platforms

Signed-off-by: Siddharth Chandrasekaran <s00832113@china.huawei.com>

Author: Siddharth Chandrasekaran

include/utils/utils.h

@@ -1,4 +1,4 @@
-/*
+//*
  * Copyright (c) 2020-2024 Siddharth Chandrasekaran <sidcha.dev@gmail.com>
  *
  * SPDX-License-Identifier: Apache-2.0
@@ -135,7 +135,7 @@ extern "C" {
 #define __format_printf(x, y)
 #define __noreturn
 #define __weak
-#define __unreachable()
+#define __unreachable() __assume(0)
 #define likely(p) (p)
 #define unlikely(p) (p)
 #define isatty	_isatty