loop-AES-v3.7l fails to compile with kernel 4.14.1

[Helmut Jarausch]

/var/tmp/portage/sys-fs/loop-aes-3.7l/work/loop-AES-v3.7l/tmp-d-kbuild/patched-loop.c:530:7:  
error: 'struct bio' has no member named 'bi_bdev'; did you mean  
'bi_iter'?