Makefile: replace whale with D
Makefile: replace whale with D

Signed-off-by: Stephen J Day <63efd86fa22882ae89b6027b22a36e4db1f4214d@docker.com>

miaoyq/containerd,estesp/containerd,hqhq/containerd,chanezon/containerd,rajasec/containerd,mikebrow/containerd,thaJeztah/containerd,thaJeztah/containerd,dmcgowan/containerd,containerd/containerd,dmcgowan/containerd,crosbymichael/containerd,estesp/containerd,miaoyq/containerd,mikebrow/containerd,vdemeester/containerd,vdemeester/containerd,crosbymichael/containerd,containerd/containerd,kunalkushwaha/containerd,kunalkushwaha/containerd,AkihiroSuda/containerd