keep the container reference when volumes_from target a container and not a service

Signed-off-by: Guillaume Lours <guillaume.lours@docker.com>

pkg/compose/create.go

@@ -680,7 +680,7 @@ func getVolumesFrom(project *types.Project, volumesFrom []string) ([]string, []s
 			continue
 		}
 		if spec[0] == "container" {
-			volumes = append(volumes, strings.Join(spec[1:], ":"))
+			volumes = append(volumes, vol)
 			continue
 		}
 		serviceName := spec[0]