do not call startliveview if not there (Nikon V1 does not have it, all other Nikon 1 apparently do)
do not call startliveview if not there
(Nikon V1 does not have it, all other Nikon 1 apparently do)

more for https://github.com/gphoto/gphoto2/issues/336

gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2