More PHPDoc for file functions

lib/private/files/stream/oc.php

@@ -18,7 +18,15 @@ class OC {
 	static private $rootView;
 
 	private $path;
+
+	/**
+	 * @var resource
+	 */
 	private $dirSource;
+
+	/**
+	 * @var resource
+	 */
 	private $fileSource;
 	private $meta;
 

lib/private/files/view.php

@@ -168,6 +168,10 @@ class View {
 		}
 	}
 
+	/**
+	 * @param string $path
+	 * @return resource
+	 */
 	public function opendir($path) {
 		return $this->basicOperation('opendir', $path, array('read'));
 	}