error when reaching last component page in comp_gui

[mmagnuski]

Should be trivial, but maybe some refactoring to ease up further development could be done along with fixing this bug.

Attempted to access prev_visible(5); index out of bounds because
numel(prev_visible)=4.

Error in selcomps_update (line 107)
            info.comps.invisible(stp) = prev_visible(stp); % this may not
            work right

Error in Scheduler/internalRun (line 48)
                    feval(obj.running.(obj.runningField){:});

Error in Scheduler/internalRun (line 38)
                    internalRun(obj);

Error in Scheduler/run (line 116)
                internalRun(obj);

Error in linkfun_selcomps_dir_update (line 23)
run(s);
Error in pop_selectcomps_new>@(src,ev)linkfun_selcomps_dir_update(h.fig,'>')
(line 471)
        'callback', @(src, ev) linkfun_selcomps_dir_update(h.fig, '>'), ...

Error using waitfor
Error while evaluating uicontrol Callback