bugfix: correct full path being sent to Engine constructor

anaglym.cc

@@ -104,7 +104,7 @@ int main(int argc, char * argv[])
 #endif
 
     dInitODE();
-    g_engine = new Engine(argv[0], av);
+    g_engine = new Engine(engine_path, av);
     if (g_engine->load(program))
         g_engine->run();
     delete g_engine;