Ensure 'spin' shows in about dialog


git-svn-id: http://cantata.googlecode.com/svn/trunk@5597 b1e49159-3266-923f-9c3e-04f16369770a
Missing bracket...


git-svn-id: http://cantata.googlecode.com/svn/trunk@5600 b1e49159-3266-923f-9c3e-04f16369770a