UP NodeLimit Module -- fix suggestion...

I found when I used the User Points Node Limit module, it sometimes would go to a white screen without displaying anything if the user was below the required points to post a node. It hinges on this code on line 31-37 of userpoints_nodelimit.module:

<?php
      //destory the form
      $form = NULL;
      //return a simple hidden field so that function doesn't fail
      $form['dummy'] = array(
        '#type' => 'hidden',
        '#default_value' => '',
      );
?>

I found that it works best to replace that with a drupal_goto() command to redirect the user back to another screen. It will still throw the message generated just before that, but it seems more logical to have the user redirected back to the node/add page instead of a blank form.

I would recommend changing that, or perhaps setting up another option, but as it is, it doesn't seem to work correctly all the time.