removed table prefix call which was missing.

Author: thejwalker

class.DBPDO.php

@@ -40,7 +40,7 @@ function connect(){
 
 	function table_exists($table_name){
 		$stmt = $this->prep_query('SHOW TABLES LIKE ?');
-		$stmt->execute(array($this->add_table_prefix($table_name)));
+		$stmt->execute(array($table_name));
 		return $stmt->rowCount() > 0;
 	}