ceph: use %zu for len in ceph_fill_inline_data()
ceph: use %zu for len in ceph_fill_inline_data()

len is size_t, should be printed with %zu.

Signed-off-by: Ilya Dryomov <152d4c5bebf13a5b809d42b4d789cf9d887e6698@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs