Allow installation of extracted packages with pkg.m

[John W. Eaton]

On 24-Mar-2008, Thomas Weber wrote:

| On 23/03/08 11:49 -0400, John W. Eaton wrote:
| > I don't know pkg.m very well, so it would help me if someone who does
| > could comment on this patch.  If the above is generally OK and the
| > loop is not needed, then please resubmit the patch with the loop
| > removed.  Also please explain the apparently stray "endif".
| 
| Patch attached. Three changesets:
| 1) Remove the superfluous for-loop
| 2) Reindent accordingly, no code changes
| 3) Allow installation of extracted packages

OK, I applied this change and also updated the pkg.m file in the
release-3-0-x branch to be the same so that the Debian packages should
work with Octave 3.0.1 when it is released.

Thanks,

jwe