autofs: fix device id printf modifier on error path in autofs_mnt_open
autofs: fix device id printf modifier on error path in autofs_mnt_open

Type dev_t corresponds to "unsigned long".

Signed-by: Stanislav Kinsburskiy <skinsbursky@virtuozzo.com>

Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@virtuozzo.com>

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