tweak to the new fopen mode constant names
diff --git a/system/libraries/Log.php b/system/libraries/Log.php
index 370ab79..26757ba 100644
--- a/system/libraries/Log.php
+++ b/system/libraries/Log.php
@@ -97,7 +97,7 @@
 			$message .= "<"."?php  if (!defined('BASEPATH')) exit('No direct script access allowed'); ?".">\n\n";

 		}

 			

-		if (! $fp = @fopen($filepath, FOPEN_WRITE_CREATE_EOF))

+		if (! $fp = @fopen($filepath, FOPEN_WRITE_CREATE))

 		{

 			return FALSE;

 		}