[linux] fix stepping over fork in follow-child mode.

[Daniel Jacobowitz]

On Wed, Mar 19, 2008 at 12:22:37PM -0700, Joel Brobecker wrote:
> I only have one very minor question: Why is the thread exit notification
> now conditional on print_thread_events? I did notice that you changed
> the few printf_filtered of such events into printf_unfiltered the same
> way we did for the new thread events, which is nice :).

It already was for Linux - the code in linux-nat.c didn't used to
trigger, and I deleted a use of print_thread_events in
linux-thread-db.c.  I think the AIX / procfs ones were simply an oversight.

-- 
Daniel Jacobowitz
CodeSourcery