make listen buffer optional
Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
V
Victor Vieux committed
f3736265fdddef9e9a9ab588906eeb7abe8a0cf6
Parent: a0f799b
Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)