Pass argc and argv through to DrivenEngine::event_init

luprex/core/cpp/lpxclient.cpp

@@ -25,7 +25,7 @@ public:
     void do_command(const StringVec &exp);
 
 public:
-    virtual void event_init() {
+    virtual void event_init(int argc, char *argv[]) {
     }
 
     virtual void event_update() {