[PATCH] Improve `help break' by mentioning probe support

[Eli Zaretskii]

> From: Sergio Durigan Junior <sergiodj@redhat.com>
> Cc: Eli Zaretskii <eliz@gnu.org>
> Date: Sun, 01 Jul 2012 19:06:22 -0300
> 
> I noticed that the `help' command for `break' and `trace' does not list
> the new `-probe'|`-probe-stap' options.  I guess I was asked to include
> it during the SystemTap patch review, but I apparently forgot.  So this
> is the patch.  I'm not sure the wording is OK, so I'd like Eli's
> approval on that.

It sounds good to me.  Thanks.