Fix build error in UE5

error message:
    In file included from /home/xxxx/UnrealProjects/ROSDemo/Plugins/ROSIntegration/Intermediate/Build/Linux/B4D820EA/UnrealEditor/Development/ROSIntegration/Module.ROSIntegration.cpp:48:
    /home/xxxx/UnrealProjects/ROSDemo/Plugins/ROSIntegration/Source/ROSIntegration/Private/rosbridge2cpp/ros_bridge.cpp:31:18: error: passing 4-byte aligned argument to 128-byte aligned parameter 1 of 'bson_destroy' may result in an unaligned pointer access [-Werror,-Walign-mismatch]
                                    bson_destroy(queue.front());
                                                 ^
    /home/xxxx/UnrealProjects/ROSDemo/Plugins/ROSIntegration/Source/ROSIntegration/Private/rosbridge2cpp/ros_bridge.cpp:136:18: error: passing 4-byte aligned argument to 128-byte aligned parameter 1 of 'bson_destroy' may result in an unaligned pointer access [-Werror,-Walign-mismatch]
                                    bson_destroy(queue.front());

Author: RIvance

Source/ROSIntegration/Private/rosbridge2cpp/ros_bridge.cpp

@@ -28,8 +28,9 @@ namespace rosbridge2cpp {
 		{
 			while (queue.size())
 			{
-				bson_destroy(queue.front());
+				bson_t* bson = queue.front();
 				queue.pop();
+				bson_destroy(bson);
 			}
 		}
 	}
@@ -133,8 +134,9 @@ namespace rosbridge2cpp {
 			auto& queue = publisher_queues_[publisher_topics_[topic_name]];
 			if (queue_size > 0 && queue.size() >= queue_size) // make space if necessary
 			{
-				bson_destroy(queue.front());
+				bson_t* bson = queue.front();
 				queue.pop();
+				bson_destroy(bson);
 			}
 
 			queue.push(message);