Issue an internal warning on first deprecated function call

Tue Aug 20 23:36:00 GMT 2002

> Date: Tue, 20 Aug 2002 09:17:25 -0400
> From: "Carlos O'Donell" <carlos@baldric.uwo.ca>
> 
> What's wrong with making users scared?

It's wrong because GDB users cannot do anything about the problem, and
the message's language seems to imply it's a potentially very grave
problem (which it isn't).

> What if there are no port maintainers?

Then the head maintainer gets the honor.