Extracting CakeLogInterface to its own file, this fixes the FileLog test case

lib/Cake/Log/CakeLog.php

@@ -36,22 +36,6 @@
 		define('LOG_INFO', 6);
 	}
 
-/**
- * CakeLogStreamInterface is the interface that should be implemented
- * by all classes that are going to be used as Log streams.
- *
- * @package cake.libs
- */
-interface CakeLogInterface {
-/**
- * Write method to handle writes being made to the Logger
- *
- * @param string $type 
- * @param string $message 
- * @return void
- */
-	public function write($type, $message);
-}
 
 /**
  * Logs messages to configured Log adapters.  One or more adapters can be configured

lib/Cake/Log/CakeLogInterface.php

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * CakeLogStreamInterface is the interface that should be implemented
+ * by all classes that are going to be used as Log streams.
+ *
+ * @package cake.libs
+ */
+interface CakeLogInterface {
+/**
+ * Write method to handle writes being made to the Logger
+ *
+ * @param string $type 
+ * @param string $message 
+ * @return void
+ */
+	public function write($type, $message);
+}

lib/Cake/Log/Engine/FileLog.php

@@ -17,6 +17,9 @@
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
 
+App::uses('CakeLogInterface', 'Log');
+
+
 /**
  * File Storage stream for Logging.  Writes logs to different files
  * based on the type of log it is.