cgroup: typo fix
cgroup: typo fix

CID 163487 (#1 of 1): Unused value (UNUSED_VALUE)
assigned_pointer: Assigning value from old_name to pe->name here, but that stored value is overwritten before it can be used.

Cc: Tycho Andersen <10c18fcb898ee6b17d6575d444b125d10b3f4d6a@canonical.com>
Signed-off-by: Andrew Vagin <74c05afa918858348d6db8037d82fa8124870113@virtuozzo.com>
Acked-by: Tycho Andersen <10c18fcb898ee6b17d6575d444b125d10b3f4d6a@canonical.com>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@virtuozzo.com>

efiop/criu,eabatalov/criu,KKoukiou/criu-remote,eabatalov/criu,eabatalov/criu,efiop/criu,KKoukiou/criu-remote,KKoukiou/criu-remote,KKoukiou/criu-remote,eabatalov/criu,efiop/criu,efiop/criu,KKoukiou/criu-remote,eabatalov/criu,efiop/criu,eabatalov/criu,efiop/criu,KKoukiou/criu-remote