bug#48042: 26.3; Macros don't work with french-postfix input method

[Gregory Heytings]

> > +      ! (! NILP (KVAR (current_kboard, defining_kbd_macro)) &&
> > +         ! NILP (Fsymbol_value (Qcurrent_input_method))))
>
> Nit: Can we De Morgan?
>
>  (NILP (KVAR (current_kboard, defining_kbd_macro)) ||
>   NILP (Fsymbol_value (Qcurrent_input_method)))

I tried this in an earlier version, but find the De Morgan'd version less 
clear.  Perhaps it's just me.