forgot to add the button for ``fix_barndoors()`` in maya toolbox
forgot to add the button for ``fix_barndoors()`` in maya toolbox

sergeneren/anima,eoyilmaz/anima,eoyilmaz/anima,eoyilmaz/anima,sergeneren/anima,sergeneren/anima,eoyilmaz/anima,eoyilmaz/anima