another [PATCH] gdb-mi.el

[Nick Roberts]

 > > OK  to commit?
 > 
 > Yes, but please make sure your ChangeLog entry reflects all the
 > changes.  For example, I see that it fails to mention gdbmi-xbacktrace
 > and its subroutines.

That part needs a patch for Emacs. I had just left it there for safekeeping,
but I've taken it out now.

Committed.

Thanks,

Nick