Fixed storing mode locks

modules/commands/cs_seen.cpp

@@ -33,10 +33,15 @@ struct SeenInfo : Serializable
 	Anope::string message;  // for part/kick/quit
 	time_t last;            // the time when the user was last seen
 
-	SeenInfo() : Serializable("SeenInfo")
+	SeenInfo()
 	{
 	}
 
+	Anope::string serialize_name() const
+	{
+		return "SeenInfo";
+	}
+
 	serialized_data serialize()
 	{
 		serialized_data data;