src: set default return value of Reference Ref/Unref to 0

PR-URL: #1004
Reviewed-By: Michael Dawson <[email protected]>

Author: legendecas

napi-inl.h

@@ -2609,15 +2609,15 @@ template <typename T>
 inline uint32_t Reference<T>::Ref() {
   uint32_t result;
   napi_status status = napi_reference_ref(_env, _ref, &result);
-  NAPI_THROW_IF_FAILED(_env, status, 1);
+  NAPI_THROW_IF_FAILED(_env, status, 0);
   return result;
 }
 
 template <typename T>
 inline uint32_t Reference<T>::Unref() {
   uint32_t result;
   napi_status status = napi_reference_unref(_env, _ref, &result);
-  NAPI_THROW_IF_FAILED(_env, status, 1);
+  NAPI_THROW_IF_FAILED(_env, status, 0);
   return result;
 }