fix variant option for manifest annotate (#765)
fix variant option for manifest annotate (#765)

Signed-off-by: Ivan Milošević <f4eefdd2f3ce8ccb0128f743f40c5b23b829131a@blokovi.com>
drasko/mainflux,drasko/mainflux,Mainflux/mainflux-lite,drasko/mainflux