Cache/file: Catch unlink exception

Call delete() which already catches the exception if the file is
missing.

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 1 insertions, 1 deletions

diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php
index 625397817..2f250e764 100644
--- a/system/libraries/Cache/drivers/Cache_file.php
+++ b/system/libraries/Cache/drivers/Cache_file.php
@@ -62,7 +62,7 @@ class CI_Cache_file extends CI_Driver {
 
 		if (time() >  $data['time'] + $data['ttl'])
 		{
-			unlink($this->_cache_path.$id);
+			$this->delete($id);
 			return FALSE;
 		}