[10/10] RFC: remove gdb_wait.h

[Joel Brobecker]

> This could break the MinGW build some day, or maybe even today: its
> definition of WIFSIGNALED and WIFEXITED is inaccurate for Windows.
> 
> I say "some day" because it looks like we don't actually use
> WIFSIGNALED in any file that is compiled on Windows (not sure about
> WIFEXITED, though).

In that case, let's be proactive and contribute a patch to gnulib?
You seem to know what the problem is, so you'd be the best candidate.

-- 
Joel