fix offset-by-one bug in hyper_getgrouplist()
fix offset-by-one bug in hyper_getgrouplist()

Signed-off-by: Lai Jiangshan <b337eedf453972390e4695e362aeea2634ef4e0c@gmail.com>

gao-feng/hyperstart,hyperhq/hyperstart,gao-feng/hyperstart,bergwolf/hyperstart,laijs/hyperstart,bergwolf/hyperstart,laijs/hyperstart,hyperhq/hyperstart