n-api: fix test_async_context warnings

Signed-off-by: Gabriel Schulhof <gabriel.schulhof@intel.com>
PR-URL: #36171
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>

Author: Gabriel Schulhof

test/node-api/test_async_context/binding.c

@@ -27,7 +27,7 @@ static napi_value MakeCallback(napi_env env, napi_callback_info info) {
   NAPI_CALL(env, napi_typeof(env, func, &func_type));
 
   napi_async_context context;
-  NAPI_CALL(env, napi_unwrap(env, async_context_wrap, &context));
+  NAPI_CALL(env, napi_unwrap(env, async_context_wrap, (void**)&context));
 
   napi_value result;
   if (func_type == napi_function) {
@@ -97,7 +97,8 @@ static napi_value DestroyAsyncResource(napi_env env, napi_callback_info info) {
   napi_value async_context_wrap = args[0];
 
   napi_async_context async_context;
-  NAPI_CALL(env, napi_remove_wrap(env, async_context_wrap, &async_context));
+  NAPI_CALL(env,
+            napi_remove_wrap(env, async_context_wrap, (void**)&async_context));
   NAPI_CALL(env, napi_async_destroy(env, async_context));
 
   return async_context_wrap;