incorrect links into Octave from GNU

[Mike Miller]

I was clicking through GNU's High Priority list [1] (nice to see
Octave is up there!) and found two bad links you might want to have
them correct:

    You can learn more about getting involved in GNU Octave by joining
their mailing list [2] and checking the "help wanted" [3] page.

[1] http://www.fsf.org/campaigns/priority-projects/
[2] http://www.gnu.org/software/octave/archive.html
[3] http://www.gnu.org/software/octave/help-wanted.html

-- 
mike