Update mysql_database.php

modules/mysql/mysql_database.php

@@ -24,9 +24,8 @@
 
 class MySQLModuleDatabase extends OGPDatabaseMySQL
 {
-	private $link;
-
-    private $table_prefix;
+	protected $link;
+	protected $table_prefix;
 	
 	public function __construct() {
         
@@ -268,4 +267,4 @@ class MySQLModuleDatabase extends OGPDatabaseMySQL
         return $this->listQuery($query);
 	}
 }
-?>
+?>