[sheepdog] [PATCH] collie: fix optional third para parsing

[Liu Yuan]

On 11/20/2012 07:03 PM, Liu Yuan wrote:
> For command like 'collie vdi list [vdiname]', the third para [vdiname] is
> optinal, so we should not strickly check third argument existence even if
> SUBCMD_FLAG_NEED_THIRD_ARG is not set. Otherwise, 'collie vdi list test' will
> not be functional.

Applied.

Thanks,
Yuan