allow get_posts to be used with empty arguements

includes/class-wp-rss-client.php

@@ -133,7 +133,7 @@ class WP_RSS_Client extends SimplePie implements WP_Client{
         // TODO: Implement get_post() method.
     }
 
-    public function get_posts( $args ) {
+    public function get_posts( $args = array() ) {
 
         $this->init();
         $this->handle_content_type();

includes/interface-wp-client.php

@@ -42,11 +42,11 @@ interface WP_Client {
     /**
      * Retrieves a list of posts from a slave site.
      *
-     * @param   int  $args  Arguments when retrieving posts.
+     * @param   array   $args  Arguments when retrieving posts.
      *
      * @return  boolean true on success false on failure.
      */
-    public function get_posts( $args );
+    public function get_posts( $args = array() );
 
 	/**
 	 * Deletes an existing post in the slave site.