!8305 Fix llvm15 build error

Merge pull request !8305 from enable_llvm15

arkui/ace_ets_xcomponent/entry/src/main/cpp/render/plugin_render.cpp

@@ -403,7 +403,7 @@ napi_value PluginRender::NapiChangeColor(napi_env env, napi_callback_info info)
 napi_value PluginRender::TestGetXComponentId(napi_env env, napi_callback_info info)
 {
     napi_value thisArg;
-    napi_status status;
+    [[maybe_unused]] napi_status status;
     napi_value exportInstance;
     OH_NativeXComponent *nativeXComponent = nullptr;
 
@@ -578,4 +578,4 @@ napi_value PluginRender::TestGetXComponent_RegisterMouseEventCallback(napi_env e
 
 #ifdef __cplusplus
 }
-#endif
+#endif
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