NFSD: Cleanup unused variable in nfsd_setuser()

Commit 8f6c5ffc8987 ("kernel/groups.c: remove return value of
set_groups") removed the last use of "ret".

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
1 file changed