Fix a compilation error about calling os_atomic_cmpxchg (#4822)
```
/workspaces/wasm-micro-runtime/core/iwasm/aot/aot_runtime.c:4701:30: error: expected expression
return os_atomic_cmpxchg(_Atomic(void *)ptr, &old_val, new_val);
^
/workspaces/wasm-micro-runtime/core/shared/utils/../platform/include/platform_api_extension.h:135:27: note: expanded from macro 'os_atomic_cmpxchg'
```