src: fix warning on mismatched fn signature

Add the missing `void* priv` to node_report's Initialize().

Author: sam-github

src/node_report_module.cc

@@ -155,7 +155,8 @@ static void SetReportOnUncaughtException(
 
 static void Initialize(Local<Object> exports,
                        Local<Value> unused,
-                       Local<Context> context) {
+                       Local<Context> context,
+                       void* priv) {
   Environment* env = Environment::GetCurrent(context);
 
   env->SetMethod(exports, "writeReport", WriteReport);