[PATCH] use cmd_sfunc_ftype and cmd_cfunc_ftype more

[Tom Tromey]

>>>>> "Tom" == Tom Tromey <tromey@redhat.com> writes:

Tom> This patch changes a few more spots to use either cmd_sfunc_ftype or
Tom> cmd_cfunc_ftype, as appropriate.  This is a bit cleaner.

I'm checking this in now.

Tom