Fix DBForge index creation on MySQL and CUBRID
diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php
index e3f8bc3..86a41e5 100644
--- a/system/database/drivers/cubrid/cubrid_forge.php
+++ b/system/database/drivers/cubrid/cubrid_forge.php
@@ -43,6 +43,16 @@
protected $_create_database = FALSE;
/**
+ * CREATE TABLE keys flag
+ *
+ * Whether table keys are created from within the
+ * CREATE TABLE statement.
+ *
+ * @var bool
+ */
+ protected $_create_table_keys = TRUE;
+
+ /**
* DROP DATABASE statement
*
* @var string