fix resize in octave fltk backend on osx

gistfile1.matlab

function fltk_fix_resize 
    number_of_figures = get(0, "children")(1,1);
    screen_size = get(0, "screensize");
    for figure_number = 1:number_of_figures
        figure_position = get(figure_number, "position");
        set (figure_number, "position", screen_size);
        drawnow()
        set (figure_number, "position", figure_position);
    endfor
endfunction