ssh-copy-id bugfix

[Stephen Harris]

On Thu, Nov 26, 2015 at 08:34:50PM -0500, Nico Kadel-Garcia wrote:
> It's not clear, even to a reasonably intelligent bash progammer, that
> the use of "exec" is to insure compatibility with fish and tcsh users.

The use of exec is not to ensure compatability.  Just doing
  sh -c "..."
would be enough.

The "exec" is for efficiency.  It is not _needed_. 

I would skip it, personally.  The efficiency gains are neglibible.

-- 

rgds
Stephen