bug#54382: 28.0.92; --with-x-toolkit=no leads to "FALLTHROUGH undefined" in Activate.c

[Po Lu]

Paul Eggert <eggert@cs.ucla.edu> writes:

> That file had been included into oldXMenu for quite some time, it's
> just that it was included more indirectly (via config.h). So this
> isn't really a new include.

Ah okay, I'm happy then.  Thanks for explaining.

> Is the idea to minimize the differences between oldXMenu and some
> ancient version of the X library? If so, that ship sailed a long time
> ago, as we've already installed several trivial porting changes like
> this.

No, not really.  If the file has always been included, then I see no
harm in adding it now.