Fix -Wmaybe-uninitialized warning (#185)

Co-authored-by: Alexis Tsogias <[email protected]>

Author: jmachowinski

src/web_video_server_node.cpp

@@ -37,7 +37,7 @@ int main(int argc, char ** argv)
   auto node = std::make_shared<web_video_server::WebVideoServer>(rclcpp::NodeOptions());
 
   node->declare_parameter("ros_threads", 2);
-  int ros_threads;
+  int ros_threads{2};
   node->get_parameter("ros_threads", ros_threads);
   rclcpp::executors::MultiThreadedExecutor spinner(rclcpp::ExecutorOptions(), ros_threads);
   spinner.add_node(node);