Switch _process_fields() method in MySQL/MySQLi to protected
diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php
index 9cb1a0c..9ec4bf7 100644
--- a/system/database/drivers/mysqli/mysqli_forge.php
+++ b/system/database/drivers/mysqli/mysqli_forge.php
@@ -66,7 +66,7 @@
* @param mixed the fields
* @return string
*/
- public function _process_fields($fields)
+ protected function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';