Fixed confusion between +F and +f with inspircd

+F can not take a * as first letter, +f can, so these were basically switched

```
[08:26] <ASHER> Hello i need please help about MLOCK i try set some modes in inspircd version 2.0.5 and i cant why?
[08:27] <ASHER> when i try set commands to chanserv like this
[08:27] <ASHER> ./msg ChanServ SET #network MLOCK +f *10:10
[08:27] <ASHER> and i get this ChanServ- Invalid value *10:10 for mode +f
```