Fixed bug(?) with writeMetadata method signature, though it worked fi…

…ne on Unix base systems either way.

protected/commands/MetadataCommand.php

@@ -196,7 +196,7 @@ protected function scrapeMetadata($file, $extract = 'metadata') {
 	* Code 18 file mime-type doesn't match file extension
 	* @param $metadata (array)
 	* @access public
-	* @return mixed sring on success, array on error
+	* @return mixed string on success, array on error
 	*/
 	public function getTikaFileType($metadata) {
 		$constants = new ReflectionClass('MetadataCommand');

protected/models/FileTypeActiveRecord.php

@@ -22,9 +22,12 @@ abstract class FileTypeActiveRecord extends CActiveRecord {
 	/**
 	* Should be an abstract write method, but Yii doesn't seem to care for abstract methods
 	* @abstract
+    * @param  array $metadata
+    * @param $file_id
+    * @param $user_id
 	* @access public
 	*/
-	 public function writeMetadata() {}
+	 public function writeMetadata(array $metadata, $file_id, $user_id) {}
 
 	/**
 	* Returned metadata fields vary by document, not just doc type.