[Psi-devel] opt_shortcuts, fix empty shortcut item dbl click

[Ephraim Talrock]

> > when double clicking an empty shortcut item (shortcut with no keys
> > associated), it won't create a new key item currently. 
> > This patch fixes this behave.
> 
> Why does your code assume that there may be more than one selected item?
> 

Just in case, nothing special. If you think it will never happen, remove
the check ;)

Ciao Ephraim