f2fs: Don't clear SGID when inheriting ACLs

This patch copies commit b7f8a09f:
"btrfs: Don't clear SGID when inheriting ACLs" written by Jan.

Fixes: 07393101
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>